Зу (у + 3) + бу (3y+9)
Answers
Answered by
0
Answer:
21y²+63y
Step-by-step explanation:
Зу (у + 3) + бу (3y+9)
3y²+9y+18y²+54y=
21y²+63y
Answered by
0
Answer:
Step-by-step explanation:
3y (y + 3) = 3y x y = and 3y x 3 = 6y =
6y (3y + 9) = 6y x 3y = and 6y x 9 = 54y =
+ 6y +
+ 54y
= 3y^2 + 18y^2 = 21y^2
and 6y + 54y = 60y
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