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(7x3+2x2+5x-12)-(9x3-4x2+2x+6)
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Ryaan002

by Ryaan002 at May 25, 2010

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mathguy mathguy May 25, 2010

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=7x3+2x2+5x-12-9x3+4x2-2x-6=-2x3+6x2+3x-18
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gibby. gibby. May 25, 2010

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