What is the product of (b+2)(b-2)?

1 Answer
Alisha T. ยท Stefan V.
Feb 14, 2018

b^2-4

Explanation:

So when factoring, remembering this acronym helps (FOIL)

  • Front
  • Outer
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![https://calculator.tutorvista.com/http://foil-calculator.html](https://useruploads.socratic.org/A7PAbndmQsK3Cls07mr3_foiling_math.jpg)

(b+2)(b-2)

= b^2+2b-2b-4

The middle terms will cancel out and the answer is b^2-4.

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