Question

Упростите выражение:
3(b-1)^2+8b

Answer 1

3(b-1)^2+8b = 3*b^2 - 6*b + 3 +8b = 3*b^2 + 2*b + 3

Answer 2

3(b-1)^2+8b=3(b^2-2b+1)+8b=3b^2-6b+3+8b=3b^2+2b+3