Question

Rút gọn phân thức

Answer 1

\(\dfrac{10x^5y^2-30x^2y^6}{20x^2y^2}=\dfrac{10x^2y^2\left(x^3-3y^3\right)}{20x^2y^2}=\dfrac{x^3-3y^3}{2}\)

Answer 2

\(\dfrac{10x^5y^2-30x^2y^6}{20x^2y^2}=\dfrac{10x^2y^2\left(x^3-3y^4\right)}{10x^2y^2.2}=\dfrac{x^3-3y^4}{2}\)

Answer 3

Giải: 

\(\dfrac{10x^5y^2-30x^2y^6}{20x^2y^2}\) = \(\dfrac{10x^2y^2\left(x^3-3y^4\right)}{20x^2y^2}\) = \(\dfrac{x^3-3y^4}{2}\)