3(x^2-2)=6

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Solution for 3(x^2-2)=6 equation: 


Simplifying
3(x2 + -2) = 6

Reorder the terms:
3(-2 + x2) = 6
(-2 * 3 + x2 * 3) = 6
(-6 + 3x2) = 6

Solving
-6 + 3x2 = 6

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 = 6 + 6

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

Combine like terms: 6 + 6 = 12
3x2 = 12

Divide each side by '3'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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