You have come to the correct place if you are looking to solve the quadratic equation 15x squared minus 16x minus 31 equals 0, also known as 15x² - 16x - 31 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 15x^2 - 16x - 31 = 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 - 16x - 31 = 0.
Below is 15x squared minus 16x minus 31 in factored form. As you can see, 15x² - 16x - 31 has been grouped into two sets of parentheses.
(15x - 31)(x + 1)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 15x^2 - 16x - 31 = 0.
(15x - 31) = 0
x1 = 2 1/15
(x + 1) = 0
x2 = -1
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