You have come to the correct place if you are looking to solve the quadratic equation 56x squared minus 39x minus 77 equals 0, also known as 56x² - 39x - 77 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 56x^2 - 39x - 77 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 56x² - 39x - 77 = 0.
Below is 56x squared minus 39x minus 77 in factored form. As you can see, 56x² - 39x - 77 has been grouped into two sets of parentheses.
(7x - 11)(8x + 7)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 56x^2 - 39x - 77 = 0.
(7x - 11) = 0
x1 = 1 4/7
(8x + 7) = 0
x2 = -7/8
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