r^2+19r+93=

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Solution for r^2+19r+93= equation:


Simplifying
r2 + 19r + 93 = 0

Reorder the terms:
93 + 19r + r2 = 0

Solving
93 + 19r + r2 = 0

Solving for variable 'r'.

Begin completing the square.

Move the constant term to the right:

Add '-93' to each side of the equation.
93 + 19r + -93 + r2 = 0 + -93

Reorder the terms:
93 + -93 + 19r + r2 = 0 + -93

Combine like terms: 93 + -93 = 0
0 + 19r + r2 = 0 + -93
19r + r2 = 0 + -93

Combine like terms: 0 + -93 = -93
19r + r2 = -93

The r term is 19r.  Take half its coefficient (9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
19r + 90.25 + r2 = -93 + 90.25

Reorder the terms:
90.25 + 19r + r2 = -93 + 90.25

Combine like terms: -93 + 90.25 = -2.75
90.25 + 19r + r2 = -2.75

Factor a perfect square on the left side:
(r + 9.5)(r + 9.5) = -2.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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