Question

Simplify:(x–2)(x+2).​

Answer 1

Step-by-step explanation:

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

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Answer 2

Answer:

Given ( x-2)( x+2)

using identity ( a+ b)( a - b ) = a^2 - b^2

( x-2)( x+2) = x^2 - 2^2

= x^2 - 4

hence the answer is = x^2 - 4