Question

Упростите выражение 4ab+2(a-b)2

Answer 1

4ab+2(a-b)^2=4ab+2(a^2-2ab+b^2)=4ab+2a^2-4ab+b^2=2a^2+2b^2=2(a^2+b^2)

Answer 2

4ab+2(a^2-2ab+b^2)
2a^2+b^2
(2a+b)^2