The nature of the roots can be determined by the determinant of the equation. The determinant is:
b² - 4ac
If this is positive, there are two roots
If this is 0, there is only one root
If this is negative, there are complex roots
F^-1 (x) = 2x + 12 hope it help
2 to the 2nd power × 14 =Square root of 56
