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January 28, 2015

January 28, 2015

Posted by **Laura** on Sunday, February 6, 2011 at 2:30pm.

- algebra -
**Damon**, Sunday, February 6, 2011 at 2:37pm(x+2y)(x^2 + 6 xy -5 y^2)

= x(x^2 + 6 xy -5 y^2)+2y(x^2 + 6 xy -5 y^2)

= x^3+6x^2y-5xy^2+2x^2y+12xy^2-10y^3

= x^3 + 8x^2y +7xy^2 -10y^3 square inches

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