Register

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

If f(x) = (3+x) (x-3) what is f(a + 2)?
asked 138k views
4 votes
If f(x) =
(3+x)
(x-3)
what is f(a + 2)?

asked
User Elmir
by
7.8k points

1 Answer

5 votes

We have f(x)=(3+x)(x-3)=3x-9+x²-3x=x²-9

So f(a+2)=(a+2)²-9=a²+4a+4-9=a²+4a-5

answered
User Vitor Villar
by
9.1k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!