Simplify (-3x^5)(-7x^9)

Math
(-3×5)(-7×9)
Rewrite using the commutative property of multiplication.
-3⋅-7(x5x9)
Multiply x5 by x9 by adding the exponents.
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Use the power rule aman=am+n to combine exponents.
-3⋅-7×5+9
Add 5 and 9.
-3⋅-7×14
-3⋅-7×14
Multiply -3 by -7.
21×14
Simplify (-3x^5)(-7x^9)

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