If s(x)=x-7 and f(x)=4x^2-x+3, what is (t*s)(x)?

1 Answer
Jan 15, 2018

4x^2-57x+202

Explanation:

Plug s(x) into t(x) where you would normally put an x value
4(x-7)^2-(x-7)+3
Distribute to get 4(x^2-14x+48)-x+7+3
Continue distributing to get 4x^2-56x+192-x+7+3
Combine like terms to get 4x^2-57x+202