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Solve the quadratic equation 2x2 + 5x + 2 = 0 using formula method.Sindhubron dicitnelJobs |
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Answer» Answer: x2+5/2x+1 = 0 x2+5/2x+1+(5/4)2-(5/4)2 = 0 (x+5/4)2+1-25/16 = 0 (x+5/4)2 = 25/16-1 (x+5/4)2 = 9/16 (x+5/4) = +_3/4 x = 5/4+_3/4 x = 2,1/2 |
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