s^2+4s+25=0

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Solution for s^2+4s+25=0 equation:


Simplifying
s2 + 4s + 25 = 0

Reorder the terms:
25 + 4s + s2 = 0

Solving
25 + 4s + s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 4s + -25 + s2 = 0 + -25

Reorder the terms:
25 + -25 + 4s + s2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 4s + s2 = 0 + -25
4s + s2 = 0 + -25

Combine like terms: 0 + -25 = -25
4s + s2 = -25

The s term is 4s.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4s + 4 + s2 = -25 + 4

Reorder the terms:
4 + 4s + s2 = -25 + 4

Combine like terms: -25 + 4 = -21
4 + 4s + s2 = -21

Factor a perfect square on the left side:
(s + 2)(s + 2) = -21

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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