Posted by laura on Wednesday, February 23, 2011 at 3:51pm.
multiply using FOIL - First Outer Inner Last. y^2 + 3y + 7y + 21. Now combine like terms to get y^2 + 10y + 21
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math - the sum of two binominals is 5x squared - 6x. if one of the binominals is...
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