(x+3)2=100

Solution for (x+3)2=100 equation:

Simplifying
(x + 3) * 2 = 100

Reorder the terms:
(3 + x) * 2 = 100

Reorder the terms for easier multiplication:
2(3 + x) = 100
(3 * 2 + x * 2) = 100
(6 + 2x) = 100

Solving
6 + 2x = 100

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 = 100 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 100 + -6
2x = 100 + -6

Combine like terms: 100 + -6 = 94
2x = 94

Divide each side by '2'.
x = 47

Simplifying
x = 47