4(m^2-6m)=9

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Solution for 4(m^2-6m)=9 equation:


Simplifying
4(m2 + -6m) = 9

Reorder the terms:
4(-6m + m2) = 9
(-6m * 4 + m2 * 4) = 9
(-24m + 4m2) = 9

Solving
-24m + 4m2 = 9

Solving for variable 'm'.

Reorder the terms:
-9 + -24m + 4m2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -24m + 4m2 = 0

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

Divide each side by '4'.
-2.25 + -6m + m2 = 0

Move the constant term to the right:

Add '2.25' to each side of the equation.
-2.25 + -6m + 2.25 + m2 = 0 + 2.25

Reorder the terms:
-2.25 + 2.25 + -6m + m2 = 0 + 2.25

Combine like terms: -2.25 + 2.25 = 0.00
0.00 + -6m + m2 = 0 + 2.25
-6m + m2 = 0 + 2.25

Combine like terms: 0 + 2.25 = 2.25
-6m + m2 = 2.25

The m term is -6m.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6m + 9 + m2 = 2.25 + 9

Reorder the terms:
9 + -6m + m2 = 2.25 + 9

Combine like terms: 2.25 + 9 = 11.25
9 + -6m + m2 = 11.25

Factor a perfect square on the left side:
(m + -3)(m + -3) = 11.25

Calculate the square root of the right side: 3.354101966

Break this problem into two subproblems by setting 
(m + -3) equal to 3.354101966 and -3.354101966.

Subproblem 1

m + -3 = 3.354101966 Simplifying m + -3 = 3.354101966 Reorder the terms: -3 + m = 3.354101966 Solving -3 + m = 3.354101966 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + m = 3.354101966 + 3 Combine like terms: -3 + 3 = 0 0 + m = 3.354101966 + 3 m = 3.354101966 + 3 Combine like terms: 3.354101966 + 3 = 6.354101966 m = 6.354101966 Simplifying m = 6.354101966

Subproblem 2

m + -3 = -3.354101966 Simplifying m + -3 = -3.354101966 Reorder the terms: -3 + m = -3.354101966 Solving -3 + m = -3.354101966 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + m = -3.354101966 + 3 Combine like terms: -3 + 3 = 0 0 + m = -3.354101966 + 3 m = -3.354101966 + 3 Combine like terms: -3.354101966 + 3 = -0.354101966 m = -0.354101966 Simplifying m = -0.354101966

Solution

The solution to the problem is based on the solutions from the subproblems. m = {6.354101966, -0.354101966}

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