(5x+2y)(y-3x)-2(y+x)=

Question

(5x+2y)(y-3x)-2(y+x)=

Comments

нуу скажите плиззз))))

---

спс

Answer 1

(5х+2у)(у-3х)-2(у+х)=5ху-15х^2+2у^2-2ху-2у-2х=3ху-15х^2-2у-2х+2у^2