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OpenStudy (anonymous):
find the solution set 8x^2+7x-1=0 please help !
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OpenStudy (mathstudent55):
Try the quadratic formula.
OpenStudy (pinksapphire):
8x^2+7x-1=0 8x^2+8x-1x-1 8x(x+1)-1(x+1) (8x-1)(x+1) (1/8,0) and (-1,0) are your solutions.
OpenStudy (mathstudent55):
The solutions are simply -1 and 1/8
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