X+x^2-42=0

Solution for X+x^2-42=0 equation:

Simplifying
X + x2 + -42 = 0

Reorder the terms:
-42 + X + x2 = 0

Solving
-42 + X + x2 = 0

Solving for variable 'X'.

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

Add '42' to each side of the equation.
-42 + X + 42 + x2 = 0 + 42

Reorder the terms:
-42 + 42 + X + x2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + X + x2 = 0 + 42
X + x2 = 0 + 42

Combine like terms: 0 + 42 = 42
X + x2 = 42

Add '-1x2' to each side of the equation.
X + x2 + -1x2 = 42 + -1x2

Combine like terms: x2 + -1x2 = 0
X + 0 = 42 + -1x2
X = 42 + -1x2

Simplifying
X = 42 + -1x2