3X^2-X^2=200

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Solution for 3X^2-X^2=200 equation: 


Simplifying
3X2 + -1X2 = 200

Combine like terms: 3X2 + -1X2 = 2X2
2X2 = 200

Solving
2X2 = 200

Solving for variable 'X'.

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

Divide each side by '2'.
X2 = 100

Simplifying
X2 = 100

Take the square root of each side:
X = {-10, 10}

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