9m(4m-8)=53

Simple and best practice solution for 9m(4m-8)=53 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 9m(4m-8)=53 equation:


Simplifying
9m(4m + -8) = 53

Reorder the terms:
9m(-8 + 4m) = 53
(-8 * 9m + 4m * 9m) = 53
(-72m + 36m2) = 53

Solving
-72m + 36m2 = 53

Solving for variable 'm'.

Reorder the terms:
-53 + -72m + 36m2 = 53 + -53

Combine like terms: 53 + -53 = 0
-53 + -72m + 36m2 = 0

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

Divide each side by '36'.
-1.472222222 + -2m + m2 = 0

Move the constant term to the right:

Add '1.472222222' to each side of the equation.
-1.472222222 + -2m + 1.472222222 + m2 = 0 + 1.472222222

Reorder the terms:
-1.472222222 + 1.472222222 + -2m + m2 = 0 + 1.472222222

Combine like terms: -1.472222222 + 1.472222222 = 0.000000000
0.000000000 + -2m + m2 = 0 + 1.472222222
-2m + m2 = 0 + 1.472222222

Combine like terms: 0 + 1.472222222 = 1.472222222
-2m + m2 = 1.472222222

The m term is -2m.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2m + 1 + m2 = 1.472222222 + 1

Reorder the terms:
1 + -2m + m2 = 1.472222222 + 1

Combine like terms: 1.472222222 + 1 = 2.472222222
1 + -2m + m2 = 2.472222222

Factor a perfect square on the left side:
(m + -1)(m + -1) = 2.472222222

Calculate the square root of the right side: 1.572330189

Break this problem into two subproblems by setting 
(m + -1) equal to 1.572330189 and -1.572330189.

Subproblem 1

m + -1 = 1.572330189 Simplifying m + -1 = 1.572330189 Reorder the terms: -1 + m = 1.572330189 Solving -1 + m = 1.572330189 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = 1.572330189 + 1 Combine like terms: -1 + 1 = 0 0 + m = 1.572330189 + 1 m = 1.572330189 + 1 Combine like terms: 1.572330189 + 1 = 2.572330189 m = 2.572330189 Simplifying m = 2.572330189

Subproblem 2

m + -1 = -1.572330189 Simplifying m + -1 = -1.572330189 Reorder the terms: -1 + m = -1.572330189 Solving -1 + m = -1.572330189 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = -1.572330189 + 1 Combine like terms: -1 + 1 = 0 0 + m = -1.572330189 + 1 m = -1.572330189 + 1 Combine like terms: -1.572330189 + 1 = -0.572330189 m = -0.572330189 Simplifying m = -0.572330189

Solution

The solution to the problem is based on the solutions from the subproblems. m = {2.572330189, -0.572330189}

See similar equations:

| 25x^2+30=0 | | .25x-1.75=1+3x | | 9v-1+3(2v+1)=-3(v+4) | | 2x-12y=22 | | 4x-69=x+21 | | (10x-8)=5x+8 | | 5m(6m-9)=11 | | -21=-7k+7 | | (8x-5)(2x^2-9x-5)=0 | | X-2(4x+4)=8-7x | | -(6x-3y+2)= | | -5(-10)-2y=24 | | 5x^2-3x=2x^2+x | | 500=65e^15x | | -3-2.5(2)=c | | 175m-75m+53350=55825-175m | | 7x^2-6x^2+17x-6x+24=0 | | 3-6(2-3x)=9(2x-5) | | X(8-3)+3=28 | | f(x)=4-8(3) | | 8y+(-35)=-75 | | 8=2(h-7) | | 3h=28-4h | | -8x=-25 | | 4+6=310 | | -3r-16r=-19 | | y/4-y/2=-8 | | 3.14r^2*h=1 | | -0.02p-0.02(3-4p)=0.02(p-3)-0.08 | | 4(s-16)=12 | | 2.8x-3.6+x-3= | | 2.8x-3.6x-3= |

Equations solver categories