1m^2+9m-5=0

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Solution for 1m^2+9m-5=0 equation:


Simplifying
1m2 + 9m + -5 = 0

Reorder the terms:
-5 + 9m + 1m2 = 0

Solving
-5 + 9m + 1m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 9m + 5 + m2 = 0 + 5

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

Combine like terms: -5 + 5 = 0
0 + 9m + m2 = 0 + 5
9m + m2 = 0 + 5

Combine like terms: 0 + 5 = 5
9m + m2 = 5

The m term is 9m.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9m + 20.25 + m2 = 5 + 20.25

Reorder the terms:
20.25 + 9m + m2 = 5 + 20.25

Combine like terms: 5 + 20.25 = 25.25
20.25 + 9m + m2 = 25.25

Factor a perfect square on the left side:
(m + 4.5)(m + 4.5) = 25.25

Calculate the square root of the right side: 5.024937811

Break this problem into two subproblems by setting 
(m + 4.5) equal to 5.024937811 and -5.024937811.

Subproblem 1

m + 4.5 = 5.024937811 Simplifying m + 4.5 = 5.024937811 Reorder the terms: 4.5 + m = 5.024937811 Solving 4.5 + m = 5.024937811 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + m = 5.024937811 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + m = 5.024937811 + -4.5 m = 5.024937811 + -4.5 Combine like terms: 5.024937811 + -4.5 = 0.524937811 m = 0.524937811 Simplifying m = 0.524937811

Subproblem 2

m + 4.5 = -5.024937811 Simplifying m + 4.5 = -5.024937811 Reorder the terms: 4.5 + m = -5.024937811 Solving 4.5 + m = -5.024937811 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-4.5' to each side of the equation. 4.5 + -4.5 + m = -5.024937811 + -4.5 Combine like terms: 4.5 + -4.5 = 0.0 0.0 + m = -5.024937811 + -4.5 m = -5.024937811 + -4.5 Combine like terms: -5.024937811 + -4.5 = -9.524937811 m = -9.524937811 Simplifying m = -9.524937811

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.524937811, -9.524937811}

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