ilovemathyeah
Solve 2x2  8x = 7.



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antoni7
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2x2  8x  7 = 0
solve quadratic ... and you should obtain 2 valuees for x :)

shaik0124
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2x28x+7=0

phuchh1402
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plus 7 to the right side and using this formula b + (square root of b^2  4ac)/ 2ac

ilovemathyeah
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i still dont understand

phuchh1402
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2x^2 8x +7 =0 right?

phuchh1402
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then a =2 b = 8 and c = 7

ilovemathyeah
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its wrong

phuchh1402
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is that 2x^2 or (2x)^2 ?

ilovemathyeah
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my options are 2+square root 2
2+2squate root 2
2+square root 2/2
or 2 +square root of 2 over 2

phuchh1402
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what are you talking about?