Factorise:
$x^{2} + x - 132$

(x + 12) (x - 11)

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(x - 2) (x - 11)

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(x + 2) (x - 11)

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(x - 12) (x - 11)

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Solution

The correct option is B $(x + 12) (x - 11)$
$x^{2} + x - 132$
$= x^{2} + 12 x - 11 x - 132$
$= x (x + 12) - 11 (x + 12)$
$= (x - 11) (x + 12)$

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