You have come to the correct place if you are looking to solve the quadratic equation 42x squared plus 9x minus 6 equals 0, also known as 42x² + 9x - 6 = 0. Below, we walk you through how to find the answer.
To find the two possible answers to 42x^2 + 9x - 6 = 0, we will start by rewriting the equation in factored form. Then, we will create two separate equations that we can use to solve 42x² + 9x - 6 = 0.
Below is 42x squared plus 9x minus 6 in factored form. As you can see, 42x² + 9x - 6 has been grouped into two sets of parentheses.
(21x - 6)(2x + 1)
Next, we set each set of parentheses equal to 0 and solve for x to get the two answers to 42x^2 + 9x - 6 = 0.
(21x - 6) = 0
x1 = 2/7
(2x + 1) = 0
x2 = -1/2
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