Question

\(\left[5\left(a-b\right)^3+2\left(a-b\right)^2\right]:\left(b-a\right)^2\)

Nhanh nhất mk tjck cho!^_^

Answer 1

đk: a khác b.

\(=\frac{\left(a-b\right)^2\left(5\left(a-b\right)+2\right)}{\left(a-b\right)^2}=5a-5b+2\)

Answer 2

Theo mk là vầy các pn xem dc k nka!

\(\left[5\left(a-b\right)^3+2\left(a-b\right)^2\right]:\left(b-a\right)^2\)

\(=\left[5\left(a-b\right)^3+2\left(a-b\right)^2\right]:\left(a-b\right)^2\)

\(=5\left(a-b\right)+2\)