x^2+1.3333x^2=15

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Solution for x^2+1.3333x^2=15 equation: 


Simplifying
x2 + 1.3333x2 = 15

Combine like terms: x2 + 1.3333x2 = 2.3333x2
2.3333x2 = 15

Solving
2.3333x2 = 15

Solving for variable 'x'.

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

Divide each side by '2.3333'.
x2 = 6.428663267

Simplifying
x2 = 6.428663267

Take the square root of each side:
x = {-2.535480875, 2.535480875}

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