2x^2=144+x^2

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Solution for 2x^2=144+x^2 equation: 


Simplifying
2x2 = 144 + x2

Solving
2x2 = 144 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
2x2 + -1x2 = 144 + x2 + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
1x2 = 144 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
1x2 = 144 + 0
1x2 = 144

Divide each side by '1'.
x2 = 144

Simplifying
x2 = 144

Take the square root of each side:
x = {-12, 12}

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