You have come to the correct place if you are looking to solve the quadratic equation negative 72x squared plus 6x plus 15 equals 0, also known as -72x² + 6x + 15 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to -72x^2 + 6x + 15 = 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 + 6x + 15 = 0.
Below is negative 72x squared plus 6x plus 15 in factored form. As you can see, -72x² + 6x + 15 has been grouped into two sets of parentheses.
-(6x - 3)(12x + 5)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to -72x^2 + 6x + 15 = 0.
(6x - 3) = 0
x1 = 1/2
(12x + 5) = 0
x2 = -5/12
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