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Instructional Video

How Do You Use the Formula for the Product of a Sum and a Difference?

Curated and Reviewed by Lesson Planet

Multiply two binomials that have the same terms but different signs. One way is to FOIL it and then combine like terms. Another, shorter way to do it is to use a formula. There's a formula for the product of a sum and a difference. Using this formula will save you time and energy. Watch this video and see for yourself.

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Concepts
binomials, polynomials, formulas
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Additional Tags
polynomial, binomial, formula, product of a sum and a difference, math
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Resource Details
Grade
8th - 9th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
4:47
Audience
For Teacher Use
Instructional Strategy
Flipped Classroom
Usage Permissions
Fine Print