3m(8-3m)=-16

Simple and best practice solution for 3m(8-3m)=-16 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 3m(8-3m)=-16 equation:


Simplifying
3m(8 + -3m) = -16
(8 * 3m + -3m * 3m) = -16
(24m + -9m2) = -16

Solving
24m + -9m2 = -16

Solving for variable 'm'.

Reorder the terms:
16 + 24m + -9m2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + 24m + -9m2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
-1.777777778 + -2.666666667m + m2 = 0

Move the constant term to the right:

Add '1.777777778' to each side of the equation.
-1.777777778 + -2.666666667m + 1.777777778 + m2 = 0 + 1.777777778

Reorder the terms:
-1.777777778 + 1.777777778 + -2.666666667m + m2 = 0 + 1.777777778

Combine like terms: -1.777777778 + 1.777777778 = 0.000000000
0.000000000 + -2.666666667m + m2 = 0 + 1.777777778
-2.666666667m + m2 = 0 + 1.777777778

Combine like terms: 0 + 1.777777778 = 1.777777778
-2.666666667m + m2 = 1.777777778

The m term is -2.666666667m.  Take half its coefficient (-1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
-2.666666667m + 1.777777780 + m2 = 1.777777778 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667m + m2 = 1.777777778 + 1.777777780

Combine like terms: 1.777777778 + 1.777777780 = 3.555555558
1.777777780 + -2.666666667m + m2 = 3.555555558

Factor a perfect square on the left side:
(m + -1.333333334)(m + -1.333333334) = 3.555555558

Calculate the square root of the right side: 1.885618084

Break this problem into two subproblems by setting 
(m + -1.333333334) equal to 1.885618084 and -1.885618084.

Subproblem 1

m + -1.333333334 = 1.885618084 Simplifying m + -1.333333334 = 1.885618084 Reorder the terms: -1.333333334 + m = 1.885618084 Solving -1.333333334 + m = 1.885618084 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + m = 1.885618084 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + m = 1.885618084 + 1.333333334 m = 1.885618084 + 1.333333334 Combine like terms: 1.885618084 + 1.333333334 = 3.218951418 m = 3.218951418 Simplifying m = 3.218951418

Subproblem 2

m + -1.333333334 = -1.885618084 Simplifying m + -1.333333334 = -1.885618084 Reorder the terms: -1.333333334 + m = -1.885618084 Solving -1.333333334 + m = -1.885618084 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + m = -1.885618084 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + m = -1.885618084 + 1.333333334 m = -1.885618084 + 1.333333334 Combine like terms: -1.885618084 + 1.333333334 = -0.55228475 m = -0.55228475 Simplifying m = -0.55228475

Solution

The solution to the problem is based on the solutions from the subproblems. m = {3.218951418, -0.55228475}

See similar equations:

| 5x^2-16x-52=0 | | 24m-9m^2=-16 | | 98=c+3 | | 24m-9m^2=16 | | 27=5w-3 | | 8x+6y-11+23x= | | 7-15=x-5+19 | | 96=j+14 | | (1)/(x)-4=(x)/(2) | | X+16=75 | | X+14=3x-16 | | 6=-8+2x | | w+31=38 | | 6x^2+14x+y+12=0 | | 2x/7=5-x/4 | | k+40=-24 | | lnx=8/3 | | 13c+-7+c+-d= | | .40(x-3)+1.4=10 | | x^2+3y^2-9z=0 | | -19=4x-5+6 | | 3(x-2)+4=2x-6 | | 4-4/2X-1-9=-5 | | Log(9+5*x)=0 | | 5x+11=3x-16 | | 5=​w/2.2 | | x^2+y^2-10y+9=0 | | 4x+8=-8y+16 | | -3/5-5/4 | | (-10x+24)x+-2x(5x+9)-5= | | -97+-x=65+-10x | | X^2-7x-330=0 |

Equations solver categories