Question

find zero of polynomial xsqaure-4​

Answer 1

Hope that ot will be okay

Answer 2

$x {}^{2} - 4$

$= (x {}^{2} ) - (2) {}^{2} \\ \\ = (x - 2)(x + 2) \\ \\ = > x = 2 \: \: \: \: \: \: \: \: \: and \\ \\ = > x = - 2$

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