2) Add 5X^2 -3x +7 and -X^2 -9

3) Subtract 5X^2 -3x +7 from -X^2 -9.

4) Add 1/7 + 3/4

5) Find 8* 11* 31* 9 / 2 *31* 3 *11

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## This question was asked on Jan 06, 2013 and answered on Jan 06, 2013.

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