Find the following products: (x+7)(x-5) - Vidyadip

Question

Find the following products:
$(x+7)(x-5)$

✓

Answer

Here, we will use the identity $(x+a)(x-b)=x^2+(a-b) x-a b \cdot(x+7)(x-5)$
$=x^2+(7-5) x-7 \times 5$
$=x^2+2 x-35$

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