-3m^2-30m+39=0

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Solution for -3m^2-30m+39=0 equation:


Simplifying
-3m2 + -30m + 39 = 0

Reorder the terms:
39 + -30m + -3m2 = 0

Solving
39 + -30m + -3m2 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), '3'.
3(13 + -10m + -1m2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(13 + -10m + -1m2)' equal to zero and attempt to solve: Simplifying 13 + -10m + -1m2 = 0 Solving 13 + -10m + -1m2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -13 + 10m + m2 = 0 Move the constant term to the right: Add '13' to each side of the equation. -13 + 10m + 13 + m2 = 0 + 13 Reorder the terms: -13 + 13 + 10m + m2 = 0 + 13 Combine like terms: -13 + 13 = 0 0 + 10m + m2 = 0 + 13 10m + m2 = 0 + 13 Combine like terms: 0 + 13 = 13 10m + m2 = 13 The m term is 10m. Take half its coefficient (5). Square it (25) and add it to both sides. Add '25' to each side of the equation. 10m + 25 + m2 = 13 + 25 Reorder the terms: 25 + 10m + m2 = 13 + 25 Combine like terms: 13 + 25 = 38 25 + 10m + m2 = 38 Factor a perfect square on the left side: (m + 5)(m + 5) = 38 Calculate the square root of the right side: 6.164414003 Break this problem into two subproblems by setting (m + 5) equal to 6.164414003 and -6.164414003.

Subproblem 1

m + 5 = 6.164414003 Simplifying m + 5 = 6.164414003 Reorder the terms: 5 + m = 6.164414003 Solving 5 + m = 6.164414003 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + m = 6.164414003 + -5 Combine like terms: 5 + -5 = 0 0 + m = 6.164414003 + -5 m = 6.164414003 + -5 Combine like terms: 6.164414003 + -5 = 1.164414003 m = 1.164414003 Simplifying m = 1.164414003

Subproblem 2

m + 5 = -6.164414003 Simplifying m + 5 = -6.164414003 Reorder the terms: 5 + m = -6.164414003 Solving 5 + m = -6.164414003 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + m = -6.164414003 + -5 Combine like terms: 5 + -5 = 0 0 + m = -6.164414003 + -5 m = -6.164414003 + -5 Combine like terms: -6.164414003 + -5 = -11.164414003 m = -11.164414003 Simplifying m = -11.164414003

Solution

The solution to the problem is based on the solutions from the subproblems. m = {1.164414003, -11.164414003}

Solution

m = {1.164414003, -11.164414003}

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