Solve 15x² + 91x + 80 = 0

You have come to the correct place if you are looking to solve the quadratic equation 15x squared plus 91x plus 80 equals 0, also known as 15x² + 91x + 80 = 0. Below, we walk you through how to find the answer.

To find the two possible answers to 15x^2 + 91x + 80 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 15x² + 91x + 80 = 0.

Below is 15x squared plus 91x plus 80 in factored form. As you can see, 15x² + 91x + 80 has been grouped into two sets of parentheses.

(15x + 16)(x + 5)

Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 15x^2 + 91x + 80 = 0.

(15x + 16) = 0
x₁ = -1 1/15

(x + 5) = 0
x₂ = -5

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