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Solve the equation $2x(x - 3) - 1 = 0$
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2x(x-3) -1 =0

2x^2-6-1=0

2x^2 - 7 = 0

2x^2=7

x^2 = 7/2

x = √‹ 7╱2›
by Wooden (560 points)
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You left out an x in the second step :)