Question

solve the following quadrateral equation.
(x+2)(x-2)=0​

Answer 1

Step-by-step explanation:

$x { }^{2} - 2 { }^{2}$

then

$x {}^{2} - 4 = 0$

then

$x {}^{2} = 4$

then

$x = \sqrt{4}$

then

$x = 2$

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