3x^2+6=9

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Solution for 3x^2+6=9 equation: 


Simplifying
3x2 + 6 = 9

Reorder the terms:
6 + 3x2 = 9

Solving
6 + 3x2 = 9

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x2 = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 3x2 = 9 + -6
3x2 = 9 + -6

Combine like terms: 9 + -6 = 3
3x2 = 3

Divide each side by '3'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

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