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1 Comment Already

mygif
haddawayisrockin1 Said,
February 5th, 2011 @12:55 pm  

First subtract 5 from both sides
To get x^2 +7x -5
Well, the quadratic formula is: x = -b +- sqrt(b^2 -4ac)
Divided by 2a

So, -7 +- sqrt ( [7^2 -4(1)(-5) ]
-7 +- sqrt (69)
-7 +- 8.307
-7 + 8.307
1.307
Divided by 2 is
0.6535

Or -7 – 8.307
-15.307
Divided by 2
-7.6535

So, .654 and -7.654

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