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OpenStudy (anonymous):
Solve this quadratic equation using the quadratic formula. 2x2 - 10x + 7 = 0
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OpenStudy (anonymous):
i'm assuming 2x2 means 2*x^2, regardless in this case a=2 b=-10 and c=7, so using the quadratic formula (10+-(100-(4*2*7))^(1/2))/4 which will evaluate to (10+-2*sqrt(11))/4
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