Question

factorize it.
$x2 - 21x + 90$
please help .!!
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Answer 1

$\huge \tt \red{answer}$

$\leadsto \sf {x}^{2} - 21x + 90$

$\leadsto \sf x(x - 6) - 15(x - 6)$

$\leadsto \sf (x - 6)(x - 15)$

$\leadsto \sf so... {x}^{2} - 21x + 90 = (x - 6)(x - 15)$

Answer 2

Answer:

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