2x^2+x^2=100

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Solution for 2x^2+x^2=100 equation: 


Simplifying
2x2 + x2 = 100

Combine like terms: 2x2 + x2 = 3x2
3x2 = 100

Solving
3x2 = 100

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 33.33333333

Simplifying
x2 = 33.33333333

Take the square root of each side:
x = {-5.773502692, 5.773502692}

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