Solve -72x² + 22x + 85 = 0

You have come to the correct place if you are looking to solve the quadratic equation negative 72x squared plus 22x plus 85 equals 0, also known as -72x² + 22x + 85 = 0. Below, we walk you through how to find the answer.

To find the two possible answers to -72x^2 + 22x + 85 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve -72x² + 22x + 85 = 0.

Below is negative 72x squared plus 22x plus 85 in factored form. As you can see, -72x² + 22x + 85 has been grouped into two sets of parentheses.

-(4x - 5)(18x + 17)

Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to -72x^2 + 22x + 85 = 0.

(4x - 5) = 0
x₁ = 1 1/4

(18x + 17) = 0
x₂ = -17/18

Quadratic Calculator
Go here if you need to calculate another quadratic equation.

Solve -72x² + 22x + 94 = 0
Here is the next quadratic equation on our list that we have solved for you.