Solve the following equations by using formula: x 2 + (4 - 3a)x - 12a = 0

The given equation is x 2 + (4 - 3a)x - 12a = 0 Comparing it with ax 2 + bx + c = 0 a= 1, b = (4 - 3a), c = -12a By using the formula , x = , we obtain Hence, roots of the given equation are 3a, -4.