3x^2-6=69

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Solution for 3x^2-6=69 equation: 


Simplifying
3x2 + -6 = 69

Reorder the terms:
-6 + 3x2 = 69

Solving
-6 + 3x2 = 69

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 = 69 + 6

Combine like terms: -6 + 6 = 0
0 + 3x2 = 69 + 6
3x2 = 69 + 6

Combine like terms: 69 + 6 = 75
3x2 = 75

Divide each side by '3'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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