21*x^2+9*x^2=29

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Solution for 21*x^2+9*x^2=29 equation: 


Simplifying
21x2 + 9x2 = 29

Combine like terms: 21x2 + 9x2 = 30x2
30x2 = 29

Solving
30x2 = 29

Solving for variable 'x'.

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

Divide each side by '30'.
x2 = 0.9666666667

Simplifying
x2 = 0.9666666667

Take the square root of each side:
x = {-0.98319208, 0.98319208}

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