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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#

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