You have come to the correct place if you are looking to solve the quadratic equation 9x squared minus 24x minus 9 equals 0, also known as 9x² - 24x - 9 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 9x^2 - 24x - 9 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 9x² - 24x - 9 = 0.
Below is 9x squared minus 24x minus 9 in factored form. As you can see, 9x² - 24x - 9 has been grouped into two sets of parentheses.
(3x - 9)(3x + 1)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 9x^2 - 24x - 9 = 0.
(3x - 9) = 0
x1 = 3
(3x + 1) = 0
x2 = -1/3
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