SOLUTION: 2x^2-2x-12=0 solve using method of completing a square
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Question 607314: 2x^2-2x-12=0 solve using method of completing a square
Found 2 solutions by lynnlo, stanbon:
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
x=3,-2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
2x^2-2x-12=0 solve using method of completing a square
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Divide thru by 2 to get:
x^2 - x - 6 = 0
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Rearrange:
x^2-x+(1/2)^2 = 6 + (1/2)^2
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Factor:
(x-(1/2))^2 = 25/4
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x-(1/2) = 5/4 or x-(1/2) = -5/4
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x = (2/4)+(5/4) or x = (2/4)-(5/4)
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x = 7/4 or x = -3/4
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Cheers,
Stan H.
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