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

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


Simplifying
21x2 + 9x2 = 29 * 29

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

Multiply 29 * 29
30x2 = 841

Solving
30x2 = 841

Solving for variable 'x'.

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

Divide each side by '30'.
x2 = 28.03333333

Simplifying
x2 = 28.03333333

Take the square root of each side:
x = {-5.294651389, 5.294651389}

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