Question

Directions: Indicate product of FOIL for the problem:

(x-2)(x+2)Last

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Answer 1

x^2 -4

Explanation:

(x-2)(x+2)

We want to FOIL

First x*x = x^2

Outer x*2 =2x

Inner -2 *x = -2x

Last -2*2 = -4

Add them together

x^2+2x-2x-4

Combine like terms

x^2 -4