4x^2-3-12=0

Solution for 4x^2-3-12=0 equation:

Simplifying
4x2 + -3 + -12 = 0

Reorder the terms:
-3 + -12 + 4x2 = 0

Combine like terms: -3 + -12 = -15
-15 + 4x2 = 0

Solving
-15 + 4x2 = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 4x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 4x2 = 0 + 15
4x2 = 0 + 15

Combine like terms: 0 + 15 = 15
4x2 = 15

Divide each side by '4'.
x2 = 3.75

Simplifying
x2 = 3.75

Take the square root of each side:
x = {-1.936491673, 1.936491673}