use the quadratic formula to solve for x

Algebra
Tutor: None Selected Time limit: 1 Day

2x^2-7x-5=0

Jun 21st, 2015

2x^2-2x-5x-5 =0

2x(x+1)-5(x+1) =0

(x+1) (2x-5) =0

so (x+1) = 0 or (2x-5) =0

x =-1 or x = 5/2

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 22nd, 2015

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Jun 21st, 2015
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Jun 21st, 2015
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