(3x^2-81)+2=29

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Solution for (3x^2-81)+2=29 equation:


Simplifying
(3x2 + -81) + 2 = 29

Reorder the terms:
(-81 + 3x2) + 2 = 29

Remove parenthesis around (-81 + 3x2)
-81 + 3x2 + 2 = 29

Reorder the terms:
-81 + 2 + 3x2 = 29

Combine like terms: -81 + 2 = -79
-79 + 3x2 = 29

Solving
-79 + 3x2 = 29

Solving for variable 'x'.

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

Add '79' to each side of the equation.
-79 + 79 + 3x2 = 29 + 79

Combine like terms: -79 + 79 = 0
0 + 3x2 = 29 + 79
3x2 = 29 + 79

Combine like terms: 29 + 79 = 108
3x2 = 108

Divide each side by '3'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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