Factorise: 40+3 x-x^2 - Vidyadip

Question

Factorise:
$40+3 x-x^2$

✓

Answer

$40+3 x-x^2$
$=40+8 x-5 x-x^2$
$=8(5+x)-x(5+x)$
$=(5+x)(8-x)$

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