Question

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?

A) 12, 13 B) 25, 1 C) 9, 16 D) 31, 6

Answer 1

$\bf\blue{\underline{\boxed{Question}}}$

$\:$

$\small\tt{x^{2} - 25x + 156\: =\: 0}$

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$\bf\blue{\underline{\boxed{Solution}}}$

$\:$

$\small\tt{x^{2} - 25x + 156\: =\: 0}$

$\small\tt{x^{2} - 13x -12x + 156}$

$\small\tt{x(x-13) -12(x-13)}$

$\small\tt{(x-12)\:(x-13)}$

$\:$

$\small\tt{Option\: (A)\:is\:your\:right\:answer}$

$\small\tt\red{\underline{\boxed{x\:-12\:=\:0\:\rightarrow\:12}}}$

$\small\tt\red{\underline{\boxed{x\:-13\:=\:0\:\rightarrow\:13}}}$

$\:$

$\bf\blue{\underline{\boxed{Hope\:It\: Help\:You}}}$

Answer 2

Step-by-step explanation:

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