3m^2-10=-9m

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Solution for 3m^2-10=-9m equation:


Simplifying
3m2 + -10 = -9m

Reorder the terms:
-10 + 3m2 = -9m

Solving
-10 + 3m2 = -9m

Solving for variable 'm'.

Reorder the terms:
-10 + 9m + 3m2 = -9m + 9m

Combine like terms: -9m + 9m = 0
-10 + 9m + 3m2 = 0

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

Divide each side by '3'.
-3.333333333 + 3m + m2 = 0

Move the constant term to the right:

Add '3.333333333' to each side of the equation.
-3.333333333 + 3m + 3.333333333 + m2 = 0 + 3.333333333

Reorder the terms:
-3.333333333 + 3.333333333 + 3m + m2 = 0 + 3.333333333

Combine like terms: -3.333333333 + 3.333333333 = 0.000000000
0.000000000 + 3m + m2 = 0 + 3.333333333
3m + m2 = 0 + 3.333333333

Combine like terms: 0 + 3.333333333 = 3.333333333
3m + m2 = 3.333333333

The m term is 3m.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3m + 2.25 + m2 = 3.333333333 + 2.25

Reorder the terms:
2.25 + 3m + m2 = 3.333333333 + 2.25

Combine like terms: 3.333333333 + 2.25 = 5.583333333
2.25 + 3m + m2 = 5.583333333

Factor a perfect square on the left side:
(m + 1.5)(m + 1.5) = 5.583333333

Calculate the square root of the right side: 2.362907813

Break this problem into two subproblems by setting 
(m + 1.5) equal to 2.362907813 and -2.362907813.

Subproblem 1

m + 1.5 = 2.362907813 Simplifying m + 1.5 = 2.362907813 Reorder the terms: 1.5 + m = 2.362907813 Solving 1.5 + m = 2.362907813 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + m = 2.362907813 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + m = 2.362907813 + -1.5 m = 2.362907813 + -1.5 Combine like terms: 2.362907813 + -1.5 = 0.862907813 m = 0.862907813 Simplifying m = 0.862907813

Subproblem 2

m + 1.5 = -2.362907813 Simplifying m + 1.5 = -2.362907813 Reorder the terms: 1.5 + m = -2.362907813 Solving 1.5 + m = -2.362907813 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + m = -2.362907813 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + m = -2.362907813 + -1.5 m = -2.362907813 + -1.5 Combine like terms: -2.362907813 + -1.5 = -3.862907813 m = -3.862907813 Simplifying m = -3.862907813

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.862907813, -3.862907813}

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