8s^2+57s+155=0

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Solution for 8s^2+57s+155=0 equation:


Simplifying
8s2 + 57s + 155 = 0

Reorder the terms:
155 + 57s + 8s2 = 0

Solving
155 + 57s + 8s2 = 0

Solving for variable 's'.

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
19.375 + 7.125s + s2 = 0

Move the constant term to the right:

Add '-19.375' to each side of the equation.
19.375 + 7.125s + -19.375 + s2 = 0 + -19.375

Reorder the terms:
19.375 + -19.375 + 7.125s + s2 = 0 + -19.375

Combine like terms: 19.375 + -19.375 = 0.000
0.000 + 7.125s + s2 = 0 + -19.375
7.125s + s2 = 0 + -19.375

Combine like terms: 0 + -19.375 = -19.375
7.125s + s2 = -19.375

The s term is 7.125s.  Take half its coefficient (3.5625).
Square it (12.69140625) and add it to both sides.

Add '12.69140625' to each side of the equation.
7.125s + 12.69140625 + s2 = -19.375 + 12.69140625

Reorder the terms:
12.69140625 + 7.125s + s2 = -19.375 + 12.69140625

Combine like terms: -19.375 + 12.69140625 = -6.68359375
12.69140625 + 7.125s + s2 = -6.68359375

Factor a perfect square on the left side:
(s + 3.5625)(s + 3.5625) = -6.68359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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