m^2-4m=14

Simple and best practice solution for m^2-4m=14 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^2-4m=14 equation:


Simplifying
m2 + -4m = 14

Reorder the terms:
-4m + m2 = 14

Solving
-4m + m2 = 14

Solving for variable 'm'.

Reorder the terms:
-14 + -4m + m2 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + -4m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -4m + 14 + m2 = 0 + 14

Reorder the terms:
-14 + 14 + -4m + m2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -4m + m2 = 0 + 14
-4m + m2 = 0 + 14

Combine like terms: 0 + 14 = 14
-4m + m2 = 14

The m term is -4m.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4m + 4 + m2 = 14 + 4

Reorder the terms:
4 + -4m + m2 = 14 + 4

Combine like terms: 14 + 4 = 18
4 + -4m + m2 = 18

Factor a perfect square on the left side:
(m + -2)(m + -2) = 18

Calculate the square root of the right side: 4.242640687

Break this problem into two subproblems by setting 
(m + -2) equal to 4.242640687 and -4.242640687.

Subproblem 1

m + -2 = 4.242640687 Simplifying m + -2 = 4.242640687 Reorder the terms: -2 + m = 4.242640687 Solving -2 + m = 4.242640687 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = 4.242640687 + 2 Combine like terms: -2 + 2 = 0 0 + m = 4.242640687 + 2 m = 4.242640687 + 2 Combine like terms: 4.242640687 + 2 = 6.242640687 m = 6.242640687 Simplifying m = 6.242640687

Subproblem 2

m + -2 = -4.242640687 Simplifying m + -2 = -4.242640687 Reorder the terms: -2 + m = -4.242640687 Solving -2 + m = -4.242640687 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = -4.242640687 + 2 Combine like terms: -2 + 2 = 0 0 + m = -4.242640687 + 2 m = -4.242640687 + 2 Combine like terms: -4.242640687 + 2 = -2.242640687 m = -2.242640687 Simplifying m = -2.242640687

Solution

The solution to the problem is based on the solutions from the subproblems. m = {6.242640687, -2.242640687}

See similar equations:

| d^2+2d=0 | | 6x-x+5=20 | | -1=-9+2x | | 3x-7=5+19 | | 8xy=-14 | | 1/2(10x-9)=5x=7 | | -5x-2(x+1)+5=-2(3x+4)-x+6 | | (2^x)/(x^2) | | y=2x^3-19x^2 | | 2(x-4)=3x+3 | | x+60=71 | | 28=2u-10 | | 4(4x-2)+4x=6(x-1) | | 2(3x-120)*(2x)=1040 | | 6h-4h=10 | | 2x+4.7=8.3 | | 14=65-23 | | -12/7w-8 | | 6n-5n=14 | | 2(7x+3)+4=-18 | | 8y-(y-1)=22 | | 2(x-3)=48 | | 4x^2-18=94 | | 3/4x-1/2=5 | | 1/2(x-3)^2=16 | | 10a^2-37a-36=0 | | 3x+2x=2+5 | | 2x^2-20x=48 | | (6x-7)+(103-x)+(2x)=180 | | -7(x+2)=7 | | 14t-6t=-48 | | 3n(2-81)=62 |

Equations solver categories