SOLUTION: 4x^2 - 3x -7 =0

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Question 631808: 4x^2 - 3x -7 =0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

4x^2 - 3x -7 =0

Note:  Quadratic formula ALWAYS works

x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+

x+=+%283+%2B-+sqrt%28+9+-+4%2A4%2A%28-7%29+%29%29%2F%288%29+

x+=+%283+%2B-+sqrt%28121+%29%29%2F%288%29+

x+=+%283+%2B-+11%29%2F8+

x = 14/8 = 7/2    or  x = -8/8 = -1