SOLUTION: Find the roots of 3x^2+2x-4=0

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Question 985930: Find the roots of 3x^2+2x-4=0
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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3x%5E2 + 2x - 4 = 0

Apply the quadratic formula

x = %28-2+%2B-+sqrt%282%5E2-4%2A3%2A%28-4%29%29%29%2F6 = -2+%2B-+sqrt%284%2B48%29%29%2F6 = %28-2+%2B-+sqrt%2852%29%29%2F6 = %28-1+%2B-+sqrt%2813%29%29%2F3.

x%5B1%5D = %28-1+%2B+sqrt%2813%29%29%2F3,   x%5B2%5D = %28-1+-+sqrt%2813%29%29%2F3.

What is difficult in it?