-2m(-m+2)=3(2m+1)

Simple and best practice solution for -2m(-m+2)=3(2m+1) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -2m(-m+2)=3(2m+1) equation:


Simplifying
-2m(-1m + 2) = 3(2m + 1)

Reorder the terms:
-2m(2 + -1m) = 3(2m + 1)
(2 * -2m + -1m * -2m) = 3(2m + 1)
(-4m + 2m2) = 3(2m + 1)

Reorder the terms:
-4m + 2m2 = 3(1 + 2m)
-4m + 2m2 = (1 * 3 + 2m * 3)
-4m + 2m2 = (3 + 6m)

Solving
-4m + 2m2 = 3 + 6m

Solving for variable 'm'.

Reorder the terms:
-3 + -4m + -6m + 2m2 = 3 + 6m + -3 + -6m

Combine like terms: -4m + -6m = -10m
-3 + -10m + 2m2 = 3 + 6m + -3 + -6m

Reorder the terms:
-3 + -10m + 2m2 = 3 + -3 + 6m + -6m

Combine like terms: 3 + -3 = 0
-3 + -10m + 2m2 = 0 + 6m + -6m
-3 + -10m + 2m2 = 6m + -6m

Combine like terms: 6m + -6m = 0
-3 + -10m + 2m2 = 0

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

Divide each side by '2'.
-1.5 + -5m + m2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + -5m + 1.5 + m2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + -5m + m2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -5m + m2 = 0 + 1.5
-5m + m2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-5m + m2 = 1.5

The m term is -5m.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5m + 6.25 + m2 = 1.5 + 6.25

Reorder the terms:
6.25 + -5m + m2 = 1.5 + 6.25

Combine like terms: 1.5 + 6.25 = 7.75
6.25 + -5m + m2 = 7.75

Factor a perfect square on the left side:
(m + -2.5)(m + -2.5) = 7.75

Calculate the square root of the right side: 2.783882181

Break this problem into two subproblems by setting 
(m + -2.5) equal to 2.783882181 and -2.783882181.

Subproblem 1

m + -2.5 = 2.783882181 Simplifying m + -2.5 = 2.783882181 Reorder the terms: -2.5 + m = 2.783882181 Solving -2.5 + m = 2.783882181 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + m = 2.783882181 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + m = 2.783882181 + 2.5 m = 2.783882181 + 2.5 Combine like terms: 2.783882181 + 2.5 = 5.283882181 m = 5.283882181 Simplifying m = 5.283882181

Subproblem 2

m + -2.5 = -2.783882181 Simplifying m + -2.5 = -2.783882181 Reorder the terms: -2.5 + m = -2.783882181 Solving -2.5 + m = -2.783882181 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + m = -2.783882181 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + m = -2.783882181 + 2.5 m = -2.783882181 + 2.5 Combine like terms: -2.783882181 + 2.5 = -0.283882181 m = -0.283882181 Simplifying m = -0.283882181

Solution

The solution to the problem is based on the solutions from the subproblems. m = {5.283882181, -0.283882181}

See similar equations:

| 2x^2-6=6 | | 2.3=p+0.5 | | 3n-5=-8(6x+5) | | 8+3h=5h+2 | | 6r^3-150r=0 | | 54-(3x+11)=3(x+5)+x | | c-19=54 | | 1.6=2y+11.4 | | y=5-2(-3) | | x(x-8)=8(6-2) | | x+24+x-8=180 | | 2u^2-88=0 | | 21x-7=18x+8 | | 4(1-5r)=25 | | 4(5c-1)-5=18c+9 | | 8y+13=y-1 | | 0.20x+0.35(70)=43.5 | | 24v^2-10v-6=0 | | 97=t+30 | | 5x+4=-3x+2(4x+2) | | 5(2x-6)=10x-30 | | 9m+20=11m-4 | | 5(w-20)-10w=5 | | 4x^2y^2z^2-26x^2y^2z^3=0 | | 5(x-4)-4=-4(-8x+3)-9x | | Z^2=-2Z+3 | | 23x-6-15x+2=23x-6-15x+15 | | 5=r/5 | | 7(x+3)-3(x-2)=16-(2x-3) | | =equation | | 2d^2-11d-21=0 | | s/-11=17 |

Equations solver categories