Answer:
42% i hope its right if not sorry
Step-by-step explanation:
x = 7 x = -7
n^2 - 49 = 0
+49 +49
n^2 = 49
In this question, you're solving by adding the two expressions together.
(f+g)(x) is the same as:
3x - 1 + x + 2
Solve:
<em>combine like terms:</em>
4x - 1 + 2
4x + 1