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OpenStudy (anonymous):
5x^2+13x-6=0
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OpenStudy (angela210793):
D=b^2-4ac=13^2-4*5*(-6)=169+120=289>0 SqrD=17 X1=(-b-sqrD)/2qa=-13-17/10=-3 X2=(-b+sqrD)/2a=-13+17/10=2/5
OpenStudy (anonymous):
(5x-2)(x+3) x=2/5 x= -3
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