Using the quadratic equation formula to solve 7x^2-x=7, what are the values of x

quadratic formula:

x = - b ± √ (b² - 4ac)

2a

7x² - x = 7

subtract 7 from both sides:

7x² - x - 7 = 0

plug values into the quadratic formula:

x = - (-1) ± √ ((-1) ² - 4 (7) (-7))

2 (7)

simplify:

x = 1 ± √ (197)

14