4x^2-27-20=20

Solution for 4x^2-27-20=20 equation:

Simplifying
4x2 + -27 + -20 = 20

Reorder the terms:
-27 + -20 + 4x2 = 20

Combine like terms: -27 + -20 = -47
-47 + 4x2 = 20

Solving
-47 + 4x2 = 20

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '47' to each side of the equation.
-47 + 47 + 4x2 = 20 + 47

Combine like terms: -47 + 47 = 0
0 + 4x2 = 20 + 47
4x2 = 20 + 47

Combine like terms: 20 + 47 = 67
4x2 = 67

Divide each side by '4'.
x2 = 16.75

Simplifying
x2 = 16.75

Take the square root of each side:
x = {-4.092676386, 4.092676386}