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April 19, 2014

Homework Help: Algebra 2

Posted by Anonymous on Tuesday, January 11, 2011 at 10:12pm.

Can you check my answer and the work? Thank youu~~

(2x-y)7

128x7 -448x6y -672x5y2 -560x4y3 -280x3y4 -84x2y5 -14xy6 -y7

orr

128x7 -448x6y +672x5y2 - 560x4y3 +280x3y4 -84x2y5 +14xy6 -y7


Ps: the 7 in the equation is the exponent and the numbers after the variable are also the exponent

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