Factorise: x^2-11 x-80 - Vidyadip

Question

Factorise:
$x^2-11 x-80$

✓

Answer

$x^2-11 x-80$
$=x^2-16 x+5 x-80$
$=x(x-16)+5(x-16)$
$=(x-16)(x+5)$

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