How much is 4y3 – 7y + 6 more than 5y3 + 3y2 – 9.
Answers
Answered by
1
Answer:
We have
(i) 3x + 7x = (3 + 7)x = 10x
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
Answered by
1
Answer:
4y(y2-8y+6)-3(2y3-5y2+2).
= 4y3 - 32y2 + 24y – 6y3 + 15y2 – 6.
= 4y3 – 6y3 - 32y2 + 15y2 + 24y – 6.
= -2y3 – 17y2 + 24y – 6.
Answer: -2y3 – 17y2 + 24y – 6
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