Answer:
the answer is 77a8b7
Step-by-step explanation:
Answer:
Step-by-step explanation:
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
I think you guys are using a^2 + b^2 = c^2
the equation would be
x^2 + 2x^2 = 6^2