x^2+2x^2=90000

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Solution for x^2+2x^2=90000 equation: 


Simplifying
x2 + 2x2 = 90000

Combine like terms: x2 + 2x2 = 3x2
3x2 = 90000

Solving
3x2 = 90000

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 30000

Simplifying
x2 = 30000

Take the square root of each side:
x = {-173.205080757, 173.205080757}

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