0=x^2-5+4

Solution for 0=x^2-5+4 equation:

Simplifying
0 = x2 + -5 + 4

Reorder the terms:
0 = -5 + 4 + x2

Combine like terms: -5 + 4 = -1
0 = -1 + x2

Solving
0 = -1 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
0 + -1x2 = -1 + x2 + -1x2
Remove the zero:
-1x2 = -1 + x2 + -1x2

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

Divide each side by '-1'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}