Answer:
4x^2 -8
Step-by-step explanation:
f(x)=3x^2-9
g(x)=x^2+1
(f+g)(x)=3x^2-9 +x^2+1
Combine like terms
= 4x^2 -8
Answer:
678
Step-by-step explanation:
First you have to do 666-66 which is 600. Then you add 777 which is 1377. Then you add 90 which is 1467. Last you subtract 789.
Answer:
Try to put this as 1+1. 2 inches tall.
Step-by-step explanation:
if you put one inch next to another inch, and add them together, they combine, therefore making 2 inches. :) Plz mark Brainliest
Answer:x=-1
Step-by-step explanation:
To solve 6-3+4x+1=
Collect like terms
6+1-3+4x=
7-3+4x=
4=-4x
x=-1
There is one solution
Answer:
the answer would be 40
Step-by-step explanation:
Well since the first expression says 8x(40+7) the answer would be 40 that is missing
Since your splitting 47 into 40 and 7 and multiplying both of them by 8 the answer would be 40
