The is 42 because that the answer to the question
Answer: 
<u>Step-by-step explanation:</u>
f(x) = 3x² + 10x - 8
g(x) = 3x² - 2x

Restriction on x: the denominator cannot be equal to zero. So,
x(3x - 2) ≠ 0
→ x ≠ 0 and 3x - 2 ≠ 0
3x ≠ 2
x 
Use photo math it will help
Answer:
3x + 9 + 4x + x = 8x + 9
Step-by-step explanation:
combine like terms