Question
Simplify
$(x^2-5)(x+5)+25$

Answer

$(x^2-5)(x+5)+25$
$=x^2(x+5)-5(x+5)+25 $
$ =x^3+5 x^2-5 x-25+25 $
$ =x^3+5 x^2-5 x \quad \text {[adding like terms]}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free