Question

[Linh Sun]

tính phép chia

[7(x-y)^5-5(x-y)^4++3(x-y)^3+2(x-y)^2]:(y-x)

Mình cần sớm ạ :)

Answer 1

[Nguyễn Lê Phước Thịnh]

\(\dfrac{7\left(x-y\right)^5-5\left(x-y\right)^4+3\left(x-y\right)^3+2\left(x-y\right)^2}{y-x}\)

\(=-7\left(y-x\right)^4-5\left(y-x\right)^3-3\left(x-y\right)^2+2\left(y-x\right)\)