(X^2)+(X^2)+(X^2)=72

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Solution for (X^2)+(X^2)+(X^2)=72 equation: 


Simplifying
(X2) + (X2) + (X2) = 72
X2 + (X2) + (X2) = 72
X2 + X2 + (X2) = 72
X2 + X2 + X2 = 72

Combine like terms: X2 + X2 = 2X2
2X2 + X2 = 72

Combine like terms: 2X2 + X2 = 3X2
3X2 = 72

Solving
3X2 = 72

Solving for variable 'X'.

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

Divide each side by '3'.
X2 = 24

Simplifying
X2 = 24

Take the square root of each side:
X = {-4.898979486, 4.898979486}

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