How do you simplify #(-9x^3y^4) (5x^3y^4)#?

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Answer 1 · 2017-02-12T02:22:15

#-45x^6y^8#

#(-9x^3y^4)(5x^3y^4)#

#(-9xx5)*x^(3+3)*y^(4+4)#

#-45x^6y^8#

Answer 2 · 2017-02-12T02:34:00

The answer is #-45x^6y^8#.

Simplilfy #(-9x^3y^4)(5x^3y^4)#

Gather like terms.

#-9xx5 xxx^3xxx^3xxy^4xxy^4#

Use product rule #a^ma^n=a^(m+n)#

#-9xx5xx x^(3+3)xx y^(4+4)#

Simplify.

#-45xx x^6xxy^8#

#-45x^6y^8#