SOLUTION: X^2+9x=20 divided by x+4

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Question 1034064: X^2+9x=20 divided by x+4
Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!
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Multiply both sides by (x+4)
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Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=161 is greater than zero. That means that there are two solutions: .




Quadratic expression can be factored:

Again, the answer is: 1.84428877022476, -10.8442887702248. Here's your graph:

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I think perhaps you mis-worded your question.
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