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Oprah
Mathematics
2 November, 03:28
Solve this quadratic equation 2x^2+x-5 = 0
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Beatrice
2 November, 03:55
0
2x^2+x-5=0
+5 + 5
2/2x^2+x=5/2
x^2+x=2.5
square root both sides
x+x=1.58
2/2x=1.58/2
x=0.79
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