x^2+16-28=0

Solution for x^2+16-28=0 equation:

Simplifying
x2 + 16 + -28 = 0

Reorder the terms:
16 + -28 + x2 = 0

Combine like terms: 16 + -28 = -12
-12 + x2 = 0

Solving
-12 + x2 = 0

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + x2 = 0 + 12
x2 = 0 + 12

Combine like terms: 0 + 12 = 12
x2 = 12

Simplifying
x2 = 12

Take the square root of each side:
x = {-3.464101615, 3.464101615}