m^2-9m+9=25

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Solution for m^2-9m+9=25 equation:


Simplifying
m2 + -9m + 9 = 25

Reorder the terms:
9 + -9m + m2 = 25

Solving
9 + -9m + m2 = 25

Solving for variable 'm'.

Reorder the terms:
9 + -25 + -9m + m2 = 25 + -25

Combine like terms: 9 + -25 = -16
-16 + -9m + m2 = 25 + -25

Combine like terms: 25 + -25 = 0
-16 + -9m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '16' to each side of the equation.
-16 + -9m + 16 + m2 = 0 + 16

Reorder the terms:
-16 + 16 + -9m + m2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -9m + m2 = 0 + 16
-9m + m2 = 0 + 16

Combine like terms: 0 + 16 = 16
-9m + m2 = 16

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 = 16 + 20.25

Reorder the terms:
20.25 + -9m + m2 = 16 + 20.25

Combine like terms: 16 + 20.25 = 36.25
20.25 + -9m + m2 = 36.25

Factor a perfect square on the left side:
(m + -4.5)(m + -4.5) = 36.25

Calculate the square root of the right side: 6.020797289

Break this problem into two subproblems by setting 
(m + -4.5) equal to 6.020797289 and -6.020797289.

Subproblem 1

m + -4.5 = 6.020797289 Simplifying m + -4.5 = 6.020797289 Reorder the terms: -4.5 + m = 6.020797289 Solving -4.5 + m = 6.020797289 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 = 6.020797289 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + m = 6.020797289 + 4.5 m = 6.020797289 + 4.5 Combine like terms: 6.020797289 + 4.5 = 10.520797289 m = 10.520797289 Simplifying m = 10.520797289

Subproblem 2

m + -4.5 = -6.020797289 Simplifying m + -4.5 = -6.020797289 Reorder the terms: -4.5 + m = -6.020797289 Solving -4.5 + m = -6.020797289 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 = -6.020797289 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + m = -6.020797289 + 4.5 m = -6.020797289 + 4.5 Combine like terms: -6.020797289 + 4.5 = -1.520797289 m = -1.520797289 Simplifying m = -1.520797289

Solution

The solution to the problem is based on the solutions from the subproblems. m = {10.520797289, -1.520797289}

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