Answer:
- 39
Step-by-step explanation:
x³ - 3y
Put x as -3 and y as 4.
-3³ - 3(4)
Solve for power and multiply.
-27 + - 12
Add the terms.
- 39
Answer:
<FBC=<DBG
Step-by-step explanation:
Answer:
x = 23
Step-by-step explanation:
Answer: B
Explanation: if you look at A and try to combine like terms, you will add the -x on the right side the the one on the left, cancelling out the x on the left. then you have 0=x+0, and unless x=0, it is not true.
With B, when you add x to the -x, you cancel it out, giving you 0=0, which is true. hope it helps!