Đúng 5 saooooooooooooo

Đáp án:

$G = -\dfrac34 x^3y + \left(-\dfrac12 x^3y\right)-\left(-\dfrac58 yx^3\right)$

$G = -\dfrac34 x^3y + \left(-\dfrac12 x^3y\right)-\left(-\dfrac58 x^3y\right)$

$G = -\dfrac34 x^3y -\dfrac12 x^3y+\dfrac58 x^3y$

$G = \left(-\dfrac34 - \dfrac12 + \dfrac58\right)x^3y$

$G = \left(-\dfrac68 - \dfrac48 + \dfrac58\right)x^3y$

$G = \dfrac{-5}{8}x^3y$