## anonymous one year ago this is evaluating quadratic functions ? if a(x)=3x+6 and c(x)=x^2-7x+8 and the problem is a(x)-c(x) how do I solve it?

1. Nnesha

subtract both functions

2. Nnesha

$\huge\rm \color{Red}{a(x)} -\color{blue}{ c(x)}$ a(x) =3x+6 so replace a(x) with 3x+6 $\huge\rm \color{reD}{3x+6}-\color{blue}{(x^2-7x+8)}$

3. triciaal

|dw:1443198951564:dw|

4. Nnesha

now distribute 2nd parentheses by negative one and then combine like terms

5. anonymous

I got -2 is this right or did I mess it up??

6. Nnesha

hmm there supposed to be variables now just one number ...

7. Nnesha

first distribute-1 (x^2-7x+6) multiply all 3 terms in the parentheses by -1