2x^2+42+216=0

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Solution for 2x^2+42+216=0 equation:


Simplifying
2x2 + 42 + 216 = 0

Reorder the terms:
42 + 216 + 2x2 = 0

Combine like terms: 42 + 216 = 258
258 + 2x2 = 0

Solving
258 + 2x2 = 0

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 = 0 + -258

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

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

Divide each side by '2'.
x2 = -129

Simplifying
x2 = -129

Reorder the terms:
129 + x2 = -129 + 129

Combine like terms: -129 + 129 = 0
129 + x2 = 0

The solution to this equation could not be determined.

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