2x^2+3=150

Solution for 2x^2+3=150 equation:

Simplifying
2x2 + 3 = 150

Reorder the terms:
3 + 2x2 = 150

Solving
3 + 2x2 = 150

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 2x2 = 150 + -3

Combine like terms: 3 + -3 = 0
0 + 2x2 = 150 + -3
2x2 = 150 + -3

Combine like terms: 150 + -3 = 147
2x2 = 147

Divide each side by '2'.
x2 = 73.5

Simplifying
x2 = 73.5

Take the square root of each side:
x = {-8.5732141, 8.5732141}