X^2-5=-21

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Solution for X^2-5=-21 equation:


Simplifying
X2 + -5 = -21

Reorder the terms:
-5 + X2 = -21

Solving
-5 + X2 = -21

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + 5 + X2 = -21 + 5

Combine like terms: -5 + 5 = 0
0 + X2 = -21 + 5
X2 = -21 + 5

Combine like terms: -21 + 5 = -16
X2 = -16

Simplifying
X2 = -16

Reorder the terms:
16 + X2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + X2 = 0

The solution to this equation could not be determined.

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