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If f(x)= = (3+x) (x-3) what is f(a + 2)?
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3 votes
If f(x)=
=
(3+x)
(x-3)
what is f(a + 2)?

User Mark Galloway
by
4.3k points

1 Answer

10 votes
(3+a+2) (a+2-3)
(5+a) (a-1)
5a-5+a^2-a
Rearrange and combine like terms
a^2 +4a-5
User Amit Bhardwaj
by
5.0k points
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