Question

write quadratic equation if two of its roots are root 7 and -root 7

Answer 1

$roots \: are \: - 7 \: and \: 7 \\ \\ \alpha = 7 \: \: \beta = - 7 \\ \\ format \: of \: quadratic \: equation \: is \\ {x}^{2} + ( \alpha + \beta )x + ( \alpha \beta ) \\ {x}^{2} + 0 - 49 \\ {x}^{2} - 49. is \: eq \: of \: quadratic \: equation$
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