Answer:
200y^2
Step-by-step explanation:
Eliminate the opposites,
-5.y.4.2.y.5
calculate the product,
200y
−10y9−5y7+15y5
(−5y4)(2y5+y3−3y)
=(−5y4)(2y5+y3+−3y)
=(−5y4)(2y5)+(−5y4)(y3)+(−5y4)(−3y)
=−10y9−5y7+15y5
