SOLUTION: Solve using the quadratic formula: 5x^2 − 8x − 3 = 0 Thank you in advance

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Question 748147: Solve using the quadratic formula: 5x^2 − 8x − 3 = 0
Thank you in advance
Answer by rothauserc(4718) About Me  (Show Source):
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Solve using the quadratic formula: 5x^2 − 8x − 3 = 0
quadratic formula is
(-b+or-sqrt(b^2-4ac)/2a)
(8+or-sqrt(64-4*5*(-3))/2*5
(8+or-sqrt(64+60)/10
(8+or-sqrt(124))/10
x=(8+12)/10=2
x=(8-12)/10=-4/10=-2/10=-.2