Answer:
F(2x+6)=-16x^3-144x^3-404x-356
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
Equation is 
Mila uses the first step as multiplication to make the coefficient of x, 1
Mila maybe have multiplied the whole equation by 2 i.e.

-3 + 8 would be an option
1 % of 330 is 3.3 and 3.3x8=26.4 so 26.4+330=356.4
356.4