SOLUTION: find "h" where 3x^2 - hx +9 =0 and the sum of the solution is -4 and the product is 3

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Question 41899: find "h" where 3x^2 - hx +9 =0 and the sum of the solution is -4 and the product is 3
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
Comparing the given equation 3x%5E2+-+hx+%2B+9+=+0 with the standard quadratic equation ax%5E2%2Bbx%2Bc=0 we find a = 3, b = -h, c = 9.

Let A and B be the roots of this equation.
Then, sum of the roots: A + B = -b%2Fa+=+h%2F3.
But, given that sum of the roots = -4.
So h%2F3+=+-4
or h = -12