2x^2+42+216=832

Solution for 2x^2+42+216=832 equation:

Simplifying
2x2 + 42 + 216 = 832

Reorder the terms:
42 + 216 + 2x2 = 832

Combine like terms: 42 + 216 = 258
258 + 2x2 = 832

Solving
258 + 2x2 = 832

Solving for variable 'x'.

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

Add '-258' to each side of the equation.
258 + -258 + 2x2 = 832 + -258

Combine like terms: 258 + -258 = 0
0 + 2x2 = 832 + -258
2x2 = 832 + -258

Combine like terms: 832 + -258 = 574
2x2 = 574

Divide each side by '2'.
x2 = 287

Simplifying
x2 = 287

Take the square root of each side:
x = {-16.941074346, 16.941074346}