You have come to the correct place if you are looking to solve the quadratic equation 80x squared plus 38x minus 28 equals 0, also known as 80x² + 38x - 28 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 80x^2 + 38x - 28 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 80x² + 38x - 28 = 0.
Below is 80x squared plus 38x minus 28 in factored form. As you can see, 80x² + 38x - 28 has been grouped into two sets of parentheses.
(10x - 4)(8x + 7)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 80x^2 + 38x - 28 = 0.
(10x - 4) = 0
x1 = 2/5
(8x + 7) = 0
x2 = -7/8
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