serious answers only<3 i really need to get this done before i get grounded and i used to be good at math but during quarantine all of my skill just went away

-3 1/2

Step-by-step explanation:

-4.5 + 1 = -3.5

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.