-x^2+3x^2=98

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Solution for -x^2+3x^2=98 equation: 


Simplifying
-1x2 + 3x2 = 98

Combine like terms: -1x2 + 3x2 = 2x2
2x2 = 98

Solving
2x2 = 98

Solving for variable 'x'.

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

Divide each side by '2'.
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

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