m(m+3)=234

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Solution for m(m+3)=234 equation:


Simplifying
m(m + 3) = 234

Reorder the terms:
m(3 + m) = 234
(3 * m + m * m) = 234
(3m + m2) = 234

Solving
3m + m2 = 234

Solving for variable 'm'.

Reorder the terms:
-234 + 3m + m2 = 234 + -234

Combine like terms: 234 + -234 = 0
-234 + 3m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '234' to each side of the equation.
-234 + 3m + 234 + m2 = 0 + 234

Reorder the terms:
-234 + 234 + 3m + m2 = 0 + 234

Combine like terms: -234 + 234 = 0
0 + 3m + m2 = 0 + 234
3m + m2 = 0 + 234

Combine like terms: 0 + 234 = 234
3m + m2 = 234

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 = 234 + 2.25

Reorder the terms:
2.25 + 3m + m2 = 234 + 2.25

Combine like terms: 234 + 2.25 = 236.25
2.25 + 3m + m2 = 236.25

Factor a perfect square on the left side:
(m + 1.5)(m + 1.5) = 236.25

Calculate the square root of the right side: 15.370426149

Break this problem into two subproblems by setting 
(m + 1.5) equal to 15.370426149 and -15.370426149.

Subproblem 1

m + 1.5 = 15.370426149 Simplifying m + 1.5 = 15.370426149 Reorder the terms: 1.5 + m = 15.370426149 Solving 1.5 + m = 15.370426149 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 = 15.370426149 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + m = 15.370426149 + -1.5 m = 15.370426149 + -1.5 Combine like terms: 15.370426149 + -1.5 = 13.870426149 m = 13.870426149 Simplifying m = 13.870426149

Subproblem 2

m + 1.5 = -15.370426149 Simplifying m + 1.5 = -15.370426149 Reorder the terms: 1.5 + m = -15.370426149 Solving 1.5 + m = -15.370426149 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 = -15.370426149 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + m = -15.370426149 + -1.5 m = -15.370426149 + -1.5 Combine like terms: -15.370426149 + -1.5 = -16.870426149 m = -16.870426149 Simplifying m = -16.870426149

Solution

The solution to the problem is based on the solutions from the subproblems. m = {13.870426149, -16.870426149}

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