.50(x-11)2+12=30

Solution for .50(x-11)2+12=30 equation:

Simplifying
0.50(x + -11) * 2 + 12 = 30

Reorder the terms:
0.50(-11 + x) * 2 + 12 = 30

Reorder the terms for easier multiplication:
0.50 * 2(-11 + x) + 12 = 30

Multiply 0.50 * 2
1(-11 + x) + 12 = 30
(-11 * 1 + x * 1) + 12 = 30
(-11 + 1x) + 12 = 30

Reorder the terms:
-11 + 12 + 1x = 30

Combine like terms: -11 + 12 = 1
1 + 1x = 30

Solving
1 + 1x = 30

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 1x = 30 + -1

Combine like terms: 1 + -1 = 0
0 + 1x = 30 + -1
1x = 30 + -1

Combine like terms: 30 + -1 = 29
1x = 29

Divide each side by '1'.
x = 29

Simplifying
x = 29