2x^2+42=8

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Solution for 2x^2+42=8 equation:


Simplifying
2x2 + 42 = 8

Reorder the terms:
42 + 2x2 = 8

Solving
42 + 2x2 = 8

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 2x2 = 8 + -42

Combine like terms: 42 + -42 = 0
0 + 2x2 = 8 + -42
2x2 = 8 + -42

Combine like terms: 8 + -42 = -34
2x2 = -34

Divide each side by '2'.
x2 = -17

Simplifying
x2 = -17

Reorder the terms:
17 + x2 = -17 + 17

Combine like terms: -17 + 17 = 0
17 + x2 = 0

The solution to this equation could not be determined.

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