How to evaluate quadratic functions?
If the given is a(x)=3x+6 and c(x)=x^2-7x+8
Then how do I evaluate a(x)-c(x)?

Question

How to evaluate quadratic functions? 
If the given is a(x)=3x+6 and c(x)=x^2-7x+8 
Then how do I evaluate a(x)-c(x)?

nnesha · Answer

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

nnesha · Answer

first distribute  2nd parentheses y negative one and then combine like terms

anonymous · Answer

do I completley solve the problem or do i leave it alone after that

nnesha · Answer

then leave it alone u just have to subtract both functions that's it

nnesha · Answer

first distribute  2nd parentheses y negative one and then combine like terms 
that's it

anonymous · Answer

$$-x^2+10x-2$$ right?

nnesha · Answer

i just want to ask `one` question just one 
how did you get 10x ???

anonymous · Answer

7x and 3x?

anonymous · Answer

i combined them .

nnesha · Answer

looks good right good job!

anonymous · Answer

thank you!c:

nnesha · Answer

:=)