Answer:
dont khan academy
Step-by-step explanation:
idk
why
u
cheet
Answer:
-2x^2 +16x -8
Step-by-step explanation:
Oh s-
Like terms i guess Same variable you can substract. Remember you only substract from 1 number not from all.
-2x^2 stays the same as there is no like term
9x - (-7x)
-2 - (6)
-2x^2 + 9x+ 7x -2-6
-2x^2 +16x -8
The last one
x^2-3X-28
Z Z Z Z Z
First, you need to get the variable by itself.
Divide three by both side.
c = -7
Brainliest answer? :)