m^2-22m-12=0

Simple and best practice solution for m^2-22m-12=0 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 m^2-22m-12=0 equation:


Simplifying
m2 + -22m + -12 = 0

Reorder the terms:
-12 + -22m + m2 = 0

Solving
-12 + -22m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -22m + 12 + m2 = 0 + 12

Reorder the terms:
-12 + 12 + -22m + m2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -22m + m2 = 0 + 12
-22m + m2 = 0 + 12

Combine like terms: 0 + 12 = 12
-22m + m2 = 12

The m term is -22m.  Take half its coefficient (-11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
-22m + 121 + m2 = 12 + 121

Reorder the terms:
121 + -22m + m2 = 12 + 121

Combine like terms: 12 + 121 = 133
121 + -22m + m2 = 133

Factor a perfect square on the left side:
(m + -11)(m + -11) = 133

Calculate the square root of the right side: 11.532562595

Break this problem into two subproblems by setting 
(m + -11) equal to 11.532562595 and -11.532562595.

Subproblem 1

m + -11 = 11.532562595 Simplifying m + -11 = 11.532562595 Reorder the terms: -11 + m = 11.532562595 Solving -11 + m = 11.532562595 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + m = 11.532562595 + 11 Combine like terms: -11 + 11 = 0 0 + m = 11.532562595 + 11 m = 11.532562595 + 11 Combine like terms: 11.532562595 + 11 = 22.532562595 m = 22.532562595 Simplifying m = 22.532562595

Subproblem 2

m + -11 = -11.532562595 Simplifying m + -11 = -11.532562595 Reorder the terms: -11 + m = -11.532562595 Solving -11 + m = -11.532562595 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + m = -11.532562595 + 11 Combine like terms: -11 + 11 = 0 0 + m = -11.532562595 + 11 m = -11.532562595 + 11 Combine like terms: -11.532562595 + 11 = -0.532562595 m = -0.532562595 Simplifying m = -0.532562595

Solution

The solution to the problem is based on the solutions from the subproblems. m = {22.532562595, -0.532562595}

See similar equations:

| 15=(g-3)3 | | 6x-2(2x-3)=4(x+1)+4 | | -12x-7= | | (x+79)=(2x-37) | | 7x=28-14y | | h(x)=8x^2+1 | | 5x-(7x+9)=3x-29 | | ((8)(8))+((5)(5))=((c)(c)) | | 5-4x=6+2y | | 2x(5+3)=64 | | 9+6m+4-11m=-2(m-12) | | 15-5n+3n=8-n-8n | | 7x+6+160=8x+4 | | 5*40=x*8 | | 8x-47=40+5x | | 6y+3=-2y+1 | | 7y+75=8y-45 | | 3a-27=2b+14 | | 25-3x=-4(4x+2)-4(-5-3x) | | 0.02x=0.3 | | -t^2+2t=-15 | | b^2=3(b-3) | | (x+23)+(x+54)=180 | | 6q+-9q=12 | | -5a+3=-3(a-1) | | 3(x-4)+2x=8x+15 | | 3(x+5)=-6+6 | | K=C+274.15 | | 3x+9+3x+9=9x-12 | | 28x+3+32=37-1 | | 6x-2(x-6)=36 | | 4x-2+x=-2 |

Equations solver categories