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Need help in polynome calculation

JJCXD

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May 23, 2011
Sythe Gold
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4x(3x-2)-5x(2x-4)=2x^2+7

I need to find out the "x" value
 
Correct me if I'm retarded, but wouldn't it be something like this?

4x(3x-2) - 5x(2x-4) = 2x^2 + 7
12x^2 - 8x - 10x^2 + 20x = 2x^2 + 7
2x^2 + 12x = 2x^2 + 7
12x = 7
x = 7/12
 
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