3(x-9)2=81

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Solution for 3(x-9)2=81 equation:


Simplifying
3(x + -9) * 2 = 81

Reorder the terms:
3(-9 + x) * 2 = 81

Reorder the terms for easier multiplication:
3 * 2(-9 + x) = 81

Multiply 3 * 2
6(-9 + x) = 81
(-9 * 6 + x * 6) = 81
(-54 + 6x) = 81

Solving
-54 + 6x = 81

Solving for variable 'x'.

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

Add '54' to each side of the equation.
-54 + 54 + 6x = 81 + 54

Combine like terms: -54 + 54 = 0
0 + 6x = 81 + 54
6x = 81 + 54

Combine like terms: 81 + 54 = 135
6x = 135

Divide each side by '6'.
x = 22.5

Simplifying
x = 22.5

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