3x^2+9x^2+36=9

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Solution for 3x^2+9x^2+36=9 equation:


Simplifying
3x2 + 9x2 + 36 = 9

Reorder the terms:
36 + 3x2 + 9x2 = 9

Combine like terms: 3x2 + 9x2 = 12x2
36 + 12x2 = 9

Solving
36 + 12x2 = 9

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 12x2 = 9 + -36

Combine like terms: 36 + -36 = 0
0 + 12x2 = 9 + -36
12x2 = 9 + -36

Combine like terms: 9 + -36 = -27
12x2 = -27

Divide each side by '12'.
x2 = -2.25

Simplifying
x2 = -2.25

Reorder the terms:
2.25 + x2 = -2.25 + 2.25

Combine like terms: -2.25 + 2.25 = 0.00
2.25 + x2 = 0.00

The solution to this equation could not be determined.

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