k^2-5=20

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Solution for k^2-5=20 equation:


Simplifying
k2 + -5 = 20

Reorder the terms:
-5 + k2 = 20

Solving
-5 + k2 = 20

Solving for variable 'k'.

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

Add '5' to each side of the equation.
-5 + 5 + k2 = 20 + 5

Combine like terms: -5 + 5 = 0
0 + k2 = 20 + 5
k2 = 20 + 5

Combine like terms: 20 + 5 = 25
k2 = 25

Simplifying
k2 = 25

Take the square root of each side:
k = {-5, 5}

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