You have come to the correct place if you are looking to solve the quadratic equation negative 16x squared minus 74x minus 40 equals 0, also known as -16x² - 74x - 40 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to -16x^2 - 74x - 40 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve -16x² - 74x - 40 = 0.
Below is negative 16x squared minus 74x minus 40 in factored form. As you can see, -16x² - 74x - 40 has been grouped into two sets of parentheses.
-(16x + 10)(x + 4)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to -16x^2 - 74x - 40 = 0.
(16x + 10) = 0
x1 = -5/8
(x + 4) = 0
x2 = -4
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