# 2x^2-11x-21=0

zero factor property
asked Jan 15, 2012

2x^2-11x-21=0

(2x + 3 )(x - 7) = 0

2x + 3 = 0 or x - 7 = 0

x = -3/2 or x = 7

answered Jan 15, 2012 by Level 8 User (30,140 points)

(2x + 3 )(x - 7) = 0

(x-3/2) (x+7)

answered Apr 8 by jackass

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