# How do you find the discriminant, describe the number and type of root, and find the exact solution using the quadratic formula given #9x^2-6x-4=-5#?

##### 1 Answer

Dec 1, 2016

The solution is

#### Explanation:

Let's rewrite the quadratic equation in the form

Let's calculate the discriminant

As,

We can also factorise the quadratic equation

graph{(3x-1)^2 [-1.717, 2.128, -0.713, 1.209]}