m^2-6m-13=0

Simple and best practice solution for m^2-6m-13=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^2-6m-13=0 equation:


Simplifying
m2 + -6m + -13 = 0

Reorder the terms:
-13 + -6m + m2 = 0

Solving
-13 + -6m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + -6m + 13 + m2 = 0 + 13

Reorder the terms:
-13 + 13 + -6m + m2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -6m + m2 = 0 + 13
-6m + m2 = 0 + 13

Combine like terms: 0 + 13 = 13
-6m + m2 = 13

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 = 13 + 9

Reorder the terms:
9 + -6m + m2 = 13 + 9

Combine like terms: 13 + 9 = 22
9 + -6m + m2 = 22

Factor a perfect square on the left side:
(m + -3)(m + -3) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(m + -3) equal to 4.69041576 and -4.69041576.

Subproblem 1

m + -3 = 4.69041576 Simplifying m + -3 = 4.69041576 Reorder the terms: -3 + m = 4.69041576 Solving -3 + m = 4.69041576 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 = 4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + m = 4.69041576 + 3 m = 4.69041576 + 3 Combine like terms: 4.69041576 + 3 = 7.69041576 m = 7.69041576 Simplifying m = 7.69041576

Subproblem 2

m + -3 = -4.69041576 Simplifying m + -3 = -4.69041576 Reorder the terms: -3 + m = -4.69041576 Solving -3 + m = -4.69041576 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 = -4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + m = -4.69041576 + 3 m = -4.69041576 + 3 Combine like terms: -4.69041576 + 3 = -1.69041576 m = -1.69041576 Simplifying m = -1.69041576

Solution

The solution to the problem is based on the solutions from the subproblems. m = {7.69041576, -1.69041576}

See similar equations:

| 156=3(-7n-4) | | .3(x+30)+.7x=34 | | Z+16=3z+10 | | 5x-2x^3=15 | | 2z+24=6z-40 | | -89=-5+6m | | -(4x-7)=27 | | 9-10(11)=X | | f(x)=x^2-30 | | 18-3x=7+6x-12 | | 6+10x=-184 | | (7+8)6=x | | ax+2x=5x+a | | 20+p+49=2p+1+50 | | 16x+3x^2=11 | | -72=8(5+7x) | | 21s+6=12s+249 | | x+10y=-7 | | -0.96-6.9-(-0.98)= | | 2y+15=43-5y | | 4x-6=74 | | 2y+3=y+21 | | 16/(-4)=x | | -822-146-49-(-831)= | | x=(3x+4)-(2-x) | | 3(4k-.3)=12k-1 | | 5=(3x+4)-(2-x) | | 12x=10x+16 | | J+3k(5)=[1] | | f(x)=x^2+30 | | 13r+7(-3r-1)=-63 | | -8cosx=-4 |

Equations solver categories