You have come to the correct place if you are looking to solve the quadratic equation 72x squared minus 87x minus 55 equals 0, also known as 72x² - 87x - 55 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 72x^2 - 87x - 55 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 72x² - 87x - 55 = 0.
Below is 72x squared minus 87x minus 55 in factored form. As you can see, 72x² - 87x - 55 has been grouped into two sets of parentheses.
(3x - 5)(24x + 11)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 72x^2 - 87x - 55 = 0.
(3x - 5) = 0
x1 = 1 2/3
(24x + 11) = 0
x2 = -11/24
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