Brian McLogan
Dividing rational expressions with lots of factoring
Dividing rational expressions with lots of factoring
Brian McLogan
Multiplying two rational expression when simplifying using the difference of two squares
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Brian McLogan
How to simplify dividing two monomials Math help
👉 Learn how to simplify expressions using the quotient rule of exponents. The quotient rule of exponents states that the quotient of powers with a common base is equivalent to the power with the common base and an exponent which is the...
Brian McLogan
Verifying an identify by expanding an expression
👉 Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Brian McLogan
Dividing rational expressions with unlike denominators
👉 Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Simplify a rational expression by factoring
Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor...
Brian McLogan
Complete Simplifying Rational Expressions
Learn about simplifying rational expressions. A rational expression is an expression in the form of a fraction. To simplify a rational expression is to put the expression in a simplified form i.e. cancel out common factors, etc. When...
Brian McLogan
Learn how to divide two rational expressions by combing them
Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Dividing two rational expressions by combining expressions
👉 Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Brian McLogan
Multiply harder to factor rational expressions
Multiply harder to factor rational expressions
Brian McLogan
How to divide a rational polynomial by another polynomial
👉 Learn how to factor polynomials by GCF. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor an algebraic expression means to break it...
Brian McLogan
Simplifying when you have imaginary numbers as your denominator
In this video series I show you how to simplify rational complex numbers. We do this by eliminating dividing by an imaginary number. We can either do this by multiplying by i which produces -1 or multiplying by the conjugate of a...
Brian McLogan
Simplifying rational expressions with negative signs
Simplifying rational expressions with negative signs
Brian McLogan
Simplify a Rational Expression and label restricted values
Simplify a Rational Expression and label restricted values
Brian McLogan
What is one of the most common mistakes when simplifying rational expressions
Learn about simplifying rational expressions. A rational expression is an expression in the form of a fraction. To simplify a rational expression is to put the expression in a simplified form i.e. cancel out common factors, etc. When...
Brian McLogan
Simplifying rational expressions by factoring out the GCF
👉 Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Professor Dave Explains
Manipulating Rational Expressions: Simplification and Operations
Working with rational expressions.
Brian McLogan
Factoring every numerator and denominator when multiplying rational expressions
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Khan Academy
Khan Academy: Algebra Ii: Complex Numbers: Imaginary and Complex Numbers
Video works through six problems from the California Standards Test. Three problems involve simplifying rational expressions, one of which uses exponent rules. Two problems involve graphing complex numbers or reading them from graphs....
Khan Academy
Khan Academy: Algebra: Multiplying and Dividing Rational Expressions
Video shows examples of multiplying and dividing rational expressions. Includes adding restrictions to the simplified answer. [9:19]
Khan Academy
Khan Academy: Algebra: Adding and Subtracting Rational Expressions Example 2
Video shows example of adding and subtracting rational expressions. Includes discussion of using the least common multiple of the denominators for a common denominator. [2:56]
Khan Academy
Khan Academy: Algebra: Subtracting Rational Expressions
Demonstrates how to find common denominators of rational expressions in order to subtract the given rational expressions. [5:35]
Khan Academy
Khan Academy: Algebra: Adding and Subtracting Rational Expressions Example 3
Video shows example of adding and subtracting rational expressions by creating a common denominator. [4:37]