X^2+7-9=0

Solution for X^2+7-9=0 equation:

Simplifying
X2 + 7 + -9 = 0

Reorder the terms:
7 + -9 + X2 = 0

Combine like terms: 7 + -9 = -2
-2 + X2 = 0

Solving
-2 + X2 = 0

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + 2 + X2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + X2 = 0 + 2
X2 = 0 + 2

Combine like terms: 0 + 2 = 2
X2 = 2

Simplifying
X2 = 2

Take the square root of each side:
X = {-1.414213562, 1.414213562}