5m^2+10m+9=0

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Solution for 5m^2+10m+9=0 equation:


Simplifying
5m2 + 10m + 9 = 0

Reorder the terms:
9 + 10m + 5m2 = 0

Solving
9 + 10m + 5m2 = 0

Solving for variable 'm'.

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

Divide each side by '5'.
1.8 + 2m + m2 = 0

Move the constant term to the right:

Add '-1.8' to each side of the equation.
1.8 + 2m + -1.8 + m2 = 0 + -1.8

Reorder the terms:
1.8 + -1.8 + 2m + m2 = 0 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + 2m + m2 = 0 + -1.8
2m + m2 = 0 + -1.8

Combine like terms: 0 + -1.8 = -1.8
2m + m2 = -1.8

The m term is 2m.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2m + 1 + m2 = -1.8 + 1

Reorder the terms:
1 + 2m + m2 = -1.8 + 1

Combine like terms: -1.8 + 1 = -0.8
1 + 2m + m2 = -0.8

Factor a perfect square on the left side:
(m + 1)(m + 1) = -0.8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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