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You don't need to factor that; you can add them together, since they have the same variable.However, assuming you might mean 81x squared + 9x, you can take out the common factor, which is 9x.

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โˆ™ 2016-04-26 11:54:45
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โˆ™ 2016-04-26 12:03:56

It is: 9x(9+1)

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Q: Factor 81x plus 9x
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