Biridiana V.
asked 01/28/16
the equation 2x^2-21x+27=0 is factored. Each factor is set equal to zero. What are these two equations?
Mark M.
answered 01/28/16
Mathematics Teacher - NCLB Highly Qualified
2x2 - 21x + 27 = 0 FOIL
(2x - 3)(x - 9) = 0 zero product rule
2x - 3 = 0
x - 9 = 0
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