9x^2+21x^2=1131

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Solution for 9x^2+21x^2=1131 equation: 


Simplifying
9x2 + 21x2 = 1131

Combine like terms: 9x2 + 21x2 = 30x2
30x2 = 1131

Solving
30x2 = 1131

Solving for variable 'x'.

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

Divide each side by '30'.
x2 = 37.7

Simplifying
x2 = 37.7

Take the square root of each side:
x = {-6.140032573, 6.140032573}

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