write discriminant of following quadratic equation 9 x square + 7 x minus 2 equals to zero
write discriminant of following quadratic equation 9 x square + 7 x minus 2 equals to zero
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
9x^2+7x-2=0
(x+1)(9x-2)=0
x+1=0. or 9x-2=0
x=-1. or. x=2/9
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