( x - 2 ) ( x + 2 ) ( - QAmmunity.org

asked Sep 23, 2022 45.5k views

1 vote

( x - 2 ) ( x + 2 ) (

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Explanation:

$(x - 2)(x + 2) \\ x(x + 2) - 2(x + 2) \\ x { }^(2) + 2x - 2(x + 2) \\ x {}^(2) + 2 x - 2x - 4 \\ x {}^(2) - 4$

MBU answered Sep 25, 2022

by MBU

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1 vote

(X-2)(x+2) = x.x+2x-2x-4
= x.x - 4
=x^2 - 4

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