Factorise: x^2-10 x+24 - Vidyadip

Question

Factorise:
$x^2-10 x+24$

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Answer

$x^2-10 x+24$
$=x^2-6 x-4 x+24$
$\{24=(-6) \times(-4),-10=-6-4\}$
$=x(x-6)-4(x-6)$
$=(x-6)(x-4)$

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