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.

$-45xx x^6xxy^8$

$-45x^6y^8$

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