n^2-2n+1=6

Simple and best practice solution for n^2-2n+1=6 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 n^2-2n+1=6 equation:


Simplifying
n2 + -2n + 1 = 6

Reorder the terms:
1 + -2n + n2 = 6

Solving
1 + -2n + n2 = 6

Solving for variable 'n'.

Reorder the terms:
1 + -6 + -2n + n2 = 6 + -6

Combine like terms: 1 + -6 = -5
-5 + -2n + n2 = 6 + -6

Combine like terms: 6 + -6 = 0
-5 + -2n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -2n + 5 + n2 = 0 + 5

Reorder the terms:
-5 + 5 + -2n + n2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2n + n2 = 0 + 5
-2n + n2 = 0 + 5

Combine like terms: 0 + 5 = 5
-2n + n2 = 5

The n term is -2n.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2n + 1 + n2 = 5 + 1

Reorder the terms:
1 + -2n + n2 = 5 + 1

Combine like terms: 5 + 1 = 6
1 + -2n + n2 = 6

Factor a perfect square on the left side:
(n + -1)(n + -1) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(n + -1) equal to 2.449489743 and -2.449489743.

Subproblem 1

n + -1 = 2.449489743 Simplifying n + -1 = 2.449489743 Reorder the terms: -1 + n = 2.449489743 Solving -1 + n = 2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = 2.449489743 + 1 Combine like terms: -1 + 1 = 0 0 + n = 2.449489743 + 1 n = 2.449489743 + 1 Combine like terms: 2.449489743 + 1 = 3.449489743 n = 3.449489743 Simplifying n = 3.449489743

Subproblem 2

n + -1 = -2.449489743 Simplifying n + -1 = -2.449489743 Reorder the terms: -1 + n = -2.449489743 Solving -1 + n = -2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + n = -2.449489743 + 1 Combine like terms: -1 + 1 = 0 0 + n = -2.449489743 + 1 n = -2.449489743 + 1 Combine like terms: -2.449489743 + 1 = -1.449489743 n = -1.449489743 Simplifying n = -1.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. n = {3.449489743, -1.449489743}

See similar equations:

| 4x/3+4=44 | | q+25=29 | | p-19=-10 | | -2n=-62.9 | | -12(x-6)=33(x+64) | | 12k=732 | | 3(x+z)+75=y | | 7j=637 | | h-14=-11 | | 12(4x-7)=4(12x+8) | | x^2+2x-677=0 | | 3g-14=34 | | -7-x=6 | | 5x+10=7x+8 | | 5x^3=5x^3 | | 146-7x=20x+23 | | e/6.9=-3 | | 8d=75.2 | | (x/5)-2=(x/3)-4 | | c-1.3=-7.4 | | 5y-3=3y+10 | | -7+z/4=5/2 | | -2/3x+6=12 | | (2x+3)/5=x | | 3x+6x+1=0 | | x(x+3)+26=(x+5)(x+2) | | 2*5x^3=5x^3 | | 15x-122=5x-12 | | x+119y=181 | | 148-3x=42x+23 | | x+y=181 | | (7/12x)-1/3=(3/8x)-5/6 |

Equations solver categories