Solve -8x² + 83x + 91 = 0

You have come to the correct place if you are looking to solve the quadratic equation negative 8x squared plus 83x plus 91 equals 0, also known as -8x² + 83x + 91 = 0. Below, we walk you through how to find the answer.

To find the two possible answers to -8x^2 + 83x + 91 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve -8x² + 83x + 91 = 0.

Below is negative 8x squared plus 83x plus 91 in factored form. As you can see, -8x² + 83x + 91 has been grouped into two sets of parentheses.

-(8x - 91)(x + 1)

Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to -8x^2 + 83x + 91 = 0.

(8x - 91) = 0
x₁ = 11 3/8

(x + 1) = 0
x₂ = -1

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