Answer:
Expand by multiplying x2+4x-4 by multiplying by x+4. Distribute and get x3+8x2+12x-16. You can verify it is correct by dividing by x+4 and you will arrive at x2+4x-4.
<u>Step-by-step explanation:</u>
3
Step-by-step explanation:
4.5 + 4.5 = 9
9/3 = 3