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Subtracting polynomial fractions

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Subtract as indicated. Express the answer in lowest terms.

-9x/x-2 - 3x-w/7x - 7w

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Simplify your answer.

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Solution Summary

The solution provides an example of subtracting polynomial fractions.

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(x - 2)(7x - 7w) is the common denominator, so the expression is equivalent to

-9x(7x - ...

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