A.2 but it could also be 4 but its not one of the answers...
Move the -7 to the right, its sign will flip (do you know why?)
Negate both sides to change -x to x
-x = 16+7
-x = 23
x = -23
7.675 inches of rain was the total amount in the two weeks
Answer:
x³-5x+12
Step-by-step explanation:
(x+3)(x²-3x+4)
=x³-3x²+4x+3x²-9x+12
collect like terms
=x³-3x²+3x²+4x-9x+12
=x³-5x+12