2x^2-18-4x^2=0

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Solution for 2x^2-18-4x^2=0 equation:


Simplifying
2x2 + -18 + -4x2 = 0

Reorder the terms:
-18 + 2x2 + -4x2 = 0

Combine like terms: 2x2 + -4x2 = -2x2
-18 + -2x2 = 0

Solving
-18 + -2x2 = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + -2x2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -2x2 = 0 + 18
-2x2 = 0 + 18

Combine like terms: 0 + 18 = 18
-2x2 = 18

Divide each side by '-2'.
x2 = -9

Simplifying
x2 = -9

Reorder the terms:
9 + x2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + x2 = 0

The solution to this equation could not be determined.

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