2m+5m(m+6)=3m+14

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Solution for 2m+5m(m+6)=3m+14 equation:


Simplifying
2m + 5m(m + 6) = 3m + 14

Reorder the terms:
2m + 5m(6 + m) = 3m + 14
2m + (6 * 5m + m * 5m) = 3m + 14
2m + (30m + 5m2) = 3m + 14

Combine like terms: 2m + 30m = 32m
32m + 5m2 = 3m + 14

Reorder the terms:
32m + 5m2 = 14 + 3m

Solving
32m + 5m2 = 14 + 3m

Solving for variable 'm'.

Reorder the terms:
-14 + 32m + -3m + 5m2 = 14 + 3m + -14 + -3m

Combine like terms: 32m + -3m = 29m
-14 + 29m + 5m2 = 14 + 3m + -14 + -3m

Reorder the terms:
-14 + 29m + 5m2 = 14 + -14 + 3m + -3m

Combine like terms: 14 + -14 = 0
-14 + 29m + 5m2 = 0 + 3m + -3m
-14 + 29m + 5m2 = 3m + -3m

Combine like terms: 3m + -3m = 0
-14 + 29m + 5m2 = 0

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

Divide each side by '5'.
-2.8 + 5.8m + m2 = 0

Move the constant term to the right:

Add '2.8' to each side of the equation.
-2.8 + 5.8m + 2.8 + m2 = 0 + 2.8

Reorder the terms:
-2.8 + 2.8 + 5.8m + m2 = 0 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 5.8m + m2 = 0 + 2.8
5.8m + m2 = 0 + 2.8

Combine like terms: 0 + 2.8 = 2.8
5.8m + m2 = 2.8

The m term is 5.8m.  Take half its coefficient (2.9).
Square it (8.41) and add it to both sides.

Add '8.41' to each side of the equation.
5.8m + 8.41 + m2 = 2.8 + 8.41

Reorder the terms:
8.41 + 5.8m + m2 = 2.8 + 8.41

Combine like terms: 2.8 + 8.41 = 11.21
8.41 + 5.8m + m2 = 11.21

Factor a perfect square on the left side:
(m + 2.9)(m + 2.9) = 11.21

Calculate the square root of the right side: 3.348133809

Break this problem into two subproblems by setting 
(m + 2.9) equal to 3.348133809 and -3.348133809.

Subproblem 1

m + 2.9 = 3.348133809 Simplifying m + 2.9 = 3.348133809 Reorder the terms: 2.9 + m = 3.348133809 Solving 2.9 + m = 3.348133809 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-2.9' to each side of the equation. 2.9 + -2.9 + m = 3.348133809 + -2.9 Combine like terms: 2.9 + -2.9 = 0.0 0.0 + m = 3.348133809 + -2.9 m = 3.348133809 + -2.9 Combine like terms: 3.348133809 + -2.9 = 0.448133809 m = 0.448133809 Simplifying m = 0.448133809

Subproblem 2

m + 2.9 = -3.348133809 Simplifying m + 2.9 = -3.348133809 Reorder the terms: 2.9 + m = -3.348133809 Solving 2.9 + m = -3.348133809 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-2.9' to each side of the equation. 2.9 + -2.9 + m = -3.348133809 + -2.9 Combine like terms: 2.9 + -2.9 = 0.0 0.0 + m = -3.348133809 + -2.9 m = -3.348133809 + -2.9 Combine like terms: -3.348133809 + -2.9 = -6.248133809 m = -6.248133809 Simplifying m = -6.248133809

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.448133809, -6.248133809}

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