Question
Find the following products: $(x - 11)(x + 4)$

Answer

Here, we will use the identity $(x - a)(x + b) = x^2+ (b - a)x - ab.$
$(x - 11)(x + 4)$
$= x^2+ (4 - 11)x - 11 × 4$
$= x^2- 7x - 44$

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