(3x+4)2-81=0

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Solution for (3x+4)2-81=0 equation:


Simplifying
(3x + 4) * 2 + -81 = 0

Reorder the terms:
(4 + 3x) * 2 + -81 = 0

Reorder the terms for easier multiplication:
2(4 + 3x) + -81 = 0
(4 * 2 + 3x * 2) + -81 = 0
(8 + 6x) + -81 = 0

Reorder the terms:
8 + -81 + 6x = 0

Combine like terms: 8 + -81 = -73
-73 + 6x = 0

Solving
-73 + 6x = 0

Solving for variable 'x'.

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

Add '73' to each side of the equation.
-73 + 73 + 6x = 0 + 73

Combine like terms: -73 + 73 = 0
0 + 6x = 0 + 73
6x = 0 + 73

Combine like terms: 0 + 73 = 73
6x = 73

Divide each side by '6'.
x = 12.16666667

Simplifying
x = 12.16666667

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