(x+3)2=121

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Solution for (x+3)2=121 equation:


Simplifying
(x + 3) * 2 = 121

Reorder the terms:
(3 + x) * 2 = 121

Reorder the terms for easier multiplication:
2(3 + x) = 121
(3 * 2 + x * 2) = 121
(6 + 2x) = 121

Solving
6 + 2x = 121

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 + 2x = 121 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 121 + -6
2x = 121 + -6

Combine like terms: 121 + -6 = 115
2x = 115

Divide each side by '2'.
x = 57.5

Simplifying
x = 57.5

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