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Solve the equation $2x(x - 3) - 1 = 0 $
in Mathematics by Platinum (95,806 points) | 103 views

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Best answer
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 (780 points)
selected by
You left out an x in the second step :)

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