Simplify the expression: (-4 x^4 y^5)(5 x^7 y^3)

1 answer:

8 0

$(-4x^4y^5)(5x^7y^3)=(-4)(5)(x^4x^7)(y^5y^3)\\\\=-20x^{4+7}y^{5+3}=-20x^{11}y^8$

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