binominals
posted by laura .
what is (y+7)x(y+3) ?

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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the sum of two binominals is 5x squared  6x. if one of the binominals is 3x squared  2x, wht is the other binominal?