Factorise $x^{2} + (a + b) x + a b$

(x + a) (x - b)

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(x - a) (x - b)

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(x + a) (x + b)

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(x - a) (x + b)

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Solution

The correct option is C $(x + a) (x + b)$
$F a c t o r i z i n g x^{2} + (a + b) x + a b, = x^{2} + a x + b x + a b, = x (x + a) + b (x + a) = (x + a) (x + b)$

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Similar questions

x² + (a + b)x + ab can be factorised as ______ .

(x + a) (x + b) = x^{2} + (a + b) x + a b

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