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If x=2/3 and x=-3 are roots of the quadratic equation ax^2+7x+b=0, find the values of a and b.

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asked Feb 1, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 381 ● 1017

If x=2/3 and x=-3 are roots of the quadratic equation ax2+7x+b=0, find the values of a and b.

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answered Feb 1, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
 
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Let us assume the quadratic equation be, Ax2+Bx+C=0.
Sum of the roots=-B/A

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