SOLUTION: Radical x+10 (end radical)= x-2

Question 667475: Radical x+10 (end radical)= x-2
Answer by jerryguo41(197) (Show Source): You can put this solution on YOUR website!

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=49 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 6, -1. Here's your graph:

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