Question

quadratic equations by extracting square roots X2=169

Answer 1

$Given \: Quadratic \: equation: \\x^{2} = 169$

$\implies x^{2} = 13^{2}$

$\implies x = \pm \sqrt{13^{2}}$

$\implies x = \pm 13$

Therefore.,

$\red{ x} \green { = \pm 13 }$

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