m^2-8m+16=2

Simple and best practice solution for m^2-8m+16=2 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+16=2 equation:


Simplifying
m2 + -8m + 16 = 2

Reorder the terms:
16 + -8m + m2 = 2

Solving
16 + -8m + m2 = 2

Solving for variable 'm'.

Reorder the terms:
16 + -2 + -8m + m2 = 2 + -2

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

Combine like terms: 2 + -2 = 0
14 + -8m + m2 = 0

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:

| -8x+2=3x-4 | | -3x-4=-8x-7 | | 8x+9=2x+1 | | x-6=-4x+7 | | 3x+29=5x+11 | | x-1=7x-8 | | x+8y=0 | | 3x-11=4x-20 | | -7x+4=6x+7 | | 9x+8=-9x-3 | | x+9=-8x-5 | | 2(x+7)+3(x)=44 | | 7(x+6)=3(x+26) | | y^2+14y+49=6 | | y^2+14y+549=6 | | 3(x-5)=15-3x | | 5(n-3)=15 | | 5x-93=-7x-9 | | 9x-81=0 | | 7x+3=2x+43 | | 5x-25=-5 | | -5x+55=6x | | 4x+6=5x+7 | | 4x-7=98-11x | | 3x-4=x+2 | | 2x-2=5x-11 | | 6x-9=8x+7 | | -2x-6=0 | | -2x+5=-9 | | -7x+1=-6x | | y^2-12y+36=5 | | 9x+6=8x+9 |

Equations solver categories