3x^2+46-138=0

Solution for 3x^2+46-138=0 equation:

Simplifying
3x2 + 46 + -138 = 0

Reorder the terms:
46 + -138 + 3x2 = 0

Combine like terms: 46 + -138 = -92
-92 + 3x2 = 0

Solving
-92 + 3x2 = 0

Solving for variable 'x'.

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

Add '92' to each side of the equation.
-92 + 92 + 3x2 = 0 + 92

Combine like terms: -92 + 92 = 0
0 + 3x2 = 0 + 92
3x2 = 0 + 92

Combine like terms: 0 + 92 = 92
3x2 = 92

Divide each side by '3'.
x2 = 30.66666667

Simplifying
x2 = 30.66666667

Take the square root of each side:
x = {-5.537749242, 5.537749242}