Factorise: x^2+5 x-104 - Vidyadip

Question

Factorise:
$x^2+5 x-104$

✓

Answer

$x^2+5 x-104$
$=x^2+13 x-8 x-104$
$\{-104 = 13 × (-8), 5 = 13 - 8\}$
$= x(x + 13) - 8(x + 13) $
$= (x + 13)(x - 8)$

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