Question

(X+9)^4(X+9)^7

Answer 1

(X+9)^11 but what exaclty is the question?

Answer 2

Remember your rules of exponents. if you're multiplying something that has a common base and different exponents, you can add them.

Answer 3

31381059609 + 38354628411 X + 21308126895 X^2 + 7102708965 X^3 + 1578379770 X^4 + 245525742 X^5 + 27280638 X^6 + 2165130 X^7 + 120285 X^8 + 4455 X^9 + 99 X^10 + X^11