2x^2+4=100

Solution for 2x^2+4=100 equation:

Simplifying
2x2 + 4 = 100

Reorder the terms:
4 + 2x2 = 100

Solving
4 + 2x2 = 100

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x2 = 100 + -4

Combine like terms: 4 + -4 = 0
0 + 2x2 = 100 + -4
2x2 = 100 + -4

Combine like terms: 100 + -4 = 96
2x2 = 96

Divide each side by '2'.
x2 = 48

Simplifying
x2 = 48

Take the square root of each side:
x = {-6.92820323, 6.92820323}