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If b=5a^(3)-2a+7 and c=2a^(2)+a+3, what ...

If `b=5a^(3)-2a+7 and c=2a^(2)+a+3,` what is `3c-b` in terms of a?

A

`-5a^(3)+6a^(2)+a+16`

B

`-5a^(3)+6a^(2)+3a-4`

C

`-5a^(3)+6a^(2)+5a+2`

D

`a^(2)+5a+2`

Text Solution

Verified by Experts

The correct Answer is:
C
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