Answer:
18
Step-by-step explanation:
I did that in my head could be wrong
The Answer is:
(5a2-3a+8)+(-4a2-1)+(15a+11)
The answer is 45 because you have to decide the number by what you just said
Answer:
4x^3+8x^2−x−2
Step-by-step explanation:
2 x 2 x 5 x 5 x 5
2^2 x 5^3