What is the answer to this math question for intermediate algebra?

So -35p^4/36q^3 * 6q^7/49p^9.
The 7p^4s cancel out so you get -5/36q^3 * 6q^7/7p^5
The 6q^3s also cancel out so you get -5/6 * q^4/7p^5
Multiply them together to get -5q^4/42p^5

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