Expand $(x + 4) (x - 11)$ .

x^{2} - 7 x - 44

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x^{2} + 7 x + 44

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x^{2} + 7 x - 44

No worries! We‘ve got your back. Try BYJU‘S free classes today!

x^{2} - 7 x + 44

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Solution

The correct option is A $x^{2} - 7 x - 44$
Using the identity,

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

$(x + 4) (x - 11)$
= $x^{2} + (4 - 11) x - (4) (11)$
= $x^{2} - 7 x - 44$

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