SOLUTION: I need help to see the steps to solving this quadratic equation x^ + 12x � 64 = 0 using the method from India

Question 443383: I need help to see the steps to solving this quadratic equation x^ + 12x � 64 = 0 using the method from India
Answer by swincher4391(1107) (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=400 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 16, -4. Here's your graph:

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