SOLUTION: How do you factor 21x^2-59x+40?

Question 534357: How do you factor 21x^2-59x+40?
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
=21x^2-59x+40?

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=121 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 1.66666666666667, 1.14285714285714. Here's your graph:

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