m^2-8m+14=0

Simple and best practice solution for m^2-8m+14=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^2-8m+14=0 equation:


Simplifying
m2 + -8m + 14 = 0

Reorder the terms:
14 + -8m + m2 = 0

Solving
14 + -8m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -8m + -14 + m2 = 0 + -14

Reorder the terms:
14 + -14 + -8m + m2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -8m + m2 = 0 + -14
-8m + m2 = 0 + -14

Combine like terms: 0 + -14 = -14
-8m + m2 = -14

The m term is -8m.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8m + 16 + m2 = -14 + 16

Reorder the terms:
16 + -8m + m2 = -14 + 16

Combine like terms: -14 + 16 = 2
16 + -8m + m2 = 2

Factor a perfect square on the left side:
(m + -4)(m + -4) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(m + -4) equal to 1.414213562 and -1.414213562.

Subproblem 1

m + -4 = 1.414213562 Simplifying m + -4 = 1.414213562 Reorder the terms: -4 + m = 1.414213562 Solving -4 + m = 1.414213562 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = 1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + m = 1.414213562 + 4 m = 1.414213562 + 4 Combine like terms: 1.414213562 + 4 = 5.414213562 m = 5.414213562 Simplifying m = 5.414213562

Subproblem 2

m + -4 = -1.414213562 Simplifying m + -4 = -1.414213562 Reorder the terms: -4 + m = -1.414213562 Solving -4 + m = -1.414213562 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = -1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + m = -1.414213562 + 4 m = -1.414213562 + 4 Combine like terms: -1.414213562 + 4 = 2.585786438 m = 2.585786438 Simplifying m = 2.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. m = {5.414213562, 2.585786438}

See similar equations:

| (10x^5)-(4x^4)=0 | | 2(x+3)=32 | | 2(x-3)=16 | | 4x^2-4x+11=0 | | 3c+c=6c | | m+9.5=12.4 | | P(n)=3n+3 | | 132=20+.5q | | 2x=38 | | 6+5x=2(x+6) | | X+3=22 | | x^4-32x^2+256=0 | | -2x-7=9 | | 4x^2-21x=0 | | 3(2x+-3)-3x+12=27 | | 4x^2-33x-27=0 | | 2x+10x=600 | | -9x+5=32 | | 2x+10x=20 | | 2x+3x-5x=100 | | 5x-8y=11 | | 3(2x-3)-3x+23=27 | | 6+5P=2(p+6) | | 4x^2-20=0 | | 8u^3-2u^2=o | | 2x-5(x+3)=-(2x+5) | | (r^2-4)+(4r+16)=r^2+16 | | 3(y+6)-4=32 | | 14+2t-7=51 | | 22=3c+4 | | 9n-15=39 | | 25x+2x-4=20 |

Equations solver categories