Question

Làm tính nhân: (2/3 xy^2) (x^2 y - xy + x/2 + 1/4)

Answer 1

\(\left(\dfrac{2}{3}xy^2\right)\left(x^2y-xy+\dfrac{x}{2}+\dfrac{1}{4}\right)\)

\(=\dfrac{2}{3}x^3y^3-\dfrac{2}{3}x^2y^3+\dfrac{1}{3}x^2y^2+\dfrac{1}{6}xy^2\)

Answer 2

`(2/3xy^2)(x^2y-xy+x/2+1/4)`

`=2/3x^3y^3-2/3x^2y^3+1/3x^2y^2+1/6`