x^2-15-28=6

Solution for x^2-15-28=6 equation:

Simplifying
x2 + -15 + -28 = 6

Reorder the terms:
-15 + -28 + x2 = 6

Combine like terms: -15 + -28 = -43
-43 + x2 = 6

Solving
-43 + x2 = 6

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + x2 = 6 + 43

Combine like terms: -43 + 43 = 0
0 + x2 = 6 + 43
x2 = 6 + 43

Combine like terms: 6 + 43 = 49
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}