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(2z - 7)(5z + 4)
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by deven007 at January 14, 2011

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Use FOIL (first, outer, inner, last) 10z^2+8z-35z-28 Combine like terms 10z^2 -27z-28

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kroo_jteague January 16, 2011

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think of it as ditribution first do (2z-7)(5z) and then do (2z-7)(4) add up the two products to get your answer

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GURUKID January 16, 2011