You have come to the correct place if you are looking to solve the quadratic equation 45x squared plus 5x minus 40 equals 0, also known as 45x² + 5x - 40 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 45x^2 + 5x - 40 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 45x² + 5x - 40 = 0.
Below is 45x squared plus 5x minus 40 in factored form. As you can see, 45x² + 5x - 40 has been grouped into two sets of parentheses.
(45x - 40)(x + 1)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 45x^2 + 5x - 40 = 0.
(45x - 40) = 0
x1 = 8/9
(x + 1) = 0
x2 = -1
Quadratic Calculator
Go here if you need to calculate another quadratic equation.
Solve 45x² + 6x - 88 = 0
Here is the next quadratic equation on our list that we have solved for you.
Copyright | Privacy Policy | Disclaimer | Contact