You have come to the correct place if you are looking to solve the quadratic equation negative 64x squared plus 48x plus 91 equals 0, also known as -64x² + 48x + 91 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to -64x^2 + 48x + 91 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve -64x² + 48x + 91 = 0.
Below is negative 64x squared plus 48x plus 91 in factored form. As you can see, -64x² + 48x + 91 has been grouped into two sets of parentheses.
-(8x - 13)(8x + 7)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to -64x^2 + 48x + 91 = 0.
(8x - 13) = 0
x1 = 1 5/8
(8x + 7) = 0
x2 = -7/8
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