k^2+8k+25=0

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Solution for k^2+8k+25=0 equation:


Simplifying
k2 + 8k + 25 = 0

Reorder the terms:
25 + 8k + k2 = 0

Solving
25 + 8k + k2 = 0

Solving for variable 'k'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 8k + -25 + k2 = 0 + -25

Reorder the terms:
25 + -25 + 8k + k2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 8k + k2 = 0 + -25
8k + k2 = 0 + -25

Combine like terms: 0 + -25 = -25
8k + k2 = -25

The k term is 8k.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8k + 16 + k2 = -25 + 16

Reorder the terms:
16 + 8k + k2 = -25 + 16

Combine like terms: -25 + 16 = -9
16 + 8k + k2 = -9

Factor a perfect square on the left side:
(k + 4)(k + 4) = -9

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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