4m(m-5)+3m(2m^2-6m+4)=

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Solution for 4m(m-5)+3m(2m^2-6m+4)= equation:


Simplifying
4m(m + -5) + 3m(2m2 + -6m + 4) = 0

Reorder the terms:
4m(-5 + m) + 3m(2m2 + -6m + 4) = 0
(-5 * 4m + m * 4m) + 3m(2m2 + -6m + 4) = 0
(-20m + 4m2) + 3m(2m2 + -6m + 4) = 0

Reorder the terms:
-20m + 4m2 + 3m(4 + -6m + 2m2) = 0
-20m + 4m2 + (4 * 3m + -6m * 3m + 2m2 * 3m) = 0
-20m + 4m2 + (12m + -18m2 + 6m3) = 0

Reorder the terms:
-20m + 12m + 4m2 + -18m2 + 6m3 = 0

Combine like terms: -20m + 12m = -8m
-8m + 4m2 + -18m2 + 6m3 = 0

Combine like terms: 4m2 + -18m2 = -14m2
-8m + -14m2 + 6m3 = 0

Solving
-8m + -14m2 + 6m3 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), '2m'.
2m(-4 + -7m + 3m2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'm' equal to zero and attempt to solve: Simplifying m = 0 Solving m = 0 Move all terms containing m to the left, all other terms to the right. Simplifying m = 0

Subproblem 2

Set the factor '(-4 + -7m + 3m2)' equal to zero and attempt to solve: Simplifying -4 + -7m + 3m2 = 0 Solving -4 + -7m + 3m2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.333333333 + -2.333333333m + m2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + -2.333333333m + 1.333333333 + m2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + -2.333333333m + m2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + -2.333333333m + m2 = 0 + 1.333333333 -2.333333333m + m2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 -2.333333333m + m2 = 1.333333333 The m term is -2.333333333m. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333m + 1.361111112 + m2 = 1.333333333 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333m + m2 = 1.333333333 + 1.361111112 Combine like terms: 1.333333333 + 1.361111112 = 2.694444445 1.361111112 + -2.333333333m + m2 = 2.694444445 Factor a perfect square on the left side: (m + -1.166666667)(m + -1.166666667) = 2.694444445 Calculate the square root of the right side: 1.6414763 Break this problem into two subproblems by setting (m + -1.166666667) equal to 1.6414763 and -1.6414763.

Subproblem 1

m + -1.166666667 = 1.6414763 Simplifying m + -1.166666667 = 1.6414763 Reorder the terms: -1.166666667 + m = 1.6414763 Solving -1.166666667 + m = 1.6414763 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + m = 1.6414763 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + m = 1.6414763 + 1.166666667 m = 1.6414763 + 1.166666667 Combine like terms: 1.6414763 + 1.166666667 = 2.808142967 m = 2.808142967 Simplifying m = 2.808142967

Subproblem 2

m + -1.166666667 = -1.6414763 Simplifying m + -1.166666667 = -1.6414763 Reorder the terms: -1.166666667 + m = -1.6414763 Solving -1.166666667 + m = -1.6414763 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + m = -1.6414763 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + m = -1.6414763 + 1.166666667 m = -1.6414763 + 1.166666667 Combine like terms: -1.6414763 + 1.166666667 = -0.474809633 m = -0.474809633 Simplifying m = -0.474809633

Solution

The solution to the problem is based on the solutions from the subproblems. m = {2.808142967, -0.474809633}

Solution

m = {0, 2.808142967, -0.474809633}

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