How do you multiply and simplify (-5x y ^ { 7} ) ^ { 3} ( - 2x ^ { 5} y ^ { 4} ) ^ { 2}?

1 Answer
Mar 11, 2018

-500=x^13 y^29

Explanation:

(-5xy^7)^3 -> -125x^3y^21

(-2x^5y^4)^2 -> 4x^10 y^8

Multiplication of both would then be -500 x^(10+3) y^(21+8)

-500=x^13 y^29