Answer:
2x^2
Step-by-step explanation:
If you're going to double x^2, you just need to multiply it by 2. You can just put the 2 in front of the x^2 because the order of operations says to do exponents before multiplication.
1.95
-3.7
a=2
3(3a+2)+6=30
9a+6+6=30
9a+12=30
9a=18
