2x^2+9x^2=18

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Solution for 2x^2+9x^2=18 equation: 


Simplifying
2x2 + 9x2 = 18

Combine like terms: 2x2 + 9x2 = 11x2
11x2 = 18

Solving
11x2 = 18

Solving for variable 'x'.

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

Divide each side by '11'.
x2 = 1.636363636

Simplifying
x2 = 1.636363636

Take the square root of each side:
x = {-1.279204298, 1.279204298}

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