Solve 5x^2 + 3x = 20
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Solve 5x^2 + 3x = 20

[From: ] [author: ] [Date: 11-09-13] [Hit: ]
......
5x^2+3x-20=0
x=-3±√3^2-4(5)(-20)/2(5)
x=-3±√9+400/10
x=(-3±√409)/10
1
keywords: Solve,20,Solve 5x^2 + 3x = 20
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