SOLUTION: Solve the equation {{{2x^2+3x-7=0}}}

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Question 60764: Solve the equation 2x%5E2%2B3x-7=0
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2%2B3x-7=0
I would use the quadratic formula
a = 2
b = 3
c = -7
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A2%2A%28-7%29+%29%29%2F%282%2A2%29+
x+=+%28-3+%2B-+sqrt%2865%29%29%2F4+
You can always check answer by plugging one of the two
solutions back into equation
2%2A%28%28-3+%2B+sqrt%2865%29%29%2F4%29+%5E2%2B3%2A%28%28-3+%2B+sqrt%2865%29%29%2F4%29-7=0
It looks tough, but it really pays to know you can do it.