Something to remember is how to multiply terms with same bases, but different exponents:

Essentially, we add the exponents.
Using the information above, we can find our answer:

Our answer is
, or A.
Step-by-step explanation:
answer and explanation is pinned
Answer:
12
Step-by-step explanation:
Combine like terms *-12x and 12x*
-12x and 12x cancel each other out, therefore your x is gone.
That being said, your answer is 12.
Answer:
the answer is going to be A. -6x - 14 x+ 6
A line always has a general equation of y = mx + b where m is the slope of the line and b is the y-intercept. Slope is the rise of one point per run and the y-intercept is the value of y when x is 0. So, the equation should be,
y = (rise/run) x - 4