n^2-4n+4=6

Simple and best practice solution for n^2-4n+4=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^2-4n+4=6 equation:


Simplifying
n2 + -4n + 4 = 6

Reorder the terms:
4 + -4n + n2 = 6

Solving
4 + -4n + n2 = 6

Solving for variable 'n'.

Reorder the terms:
4 + -6 + -4n + n2 = 6 + -6

Combine like terms: 4 + -6 = -2
-2 + -4n + n2 = 6 + -6

Combine like terms: 6 + -6 = 0
-2 + -4n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -4n + 2 + n2 = 0 + 2

Reorder the terms:
-2 + 2 + -4n + n2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -4n + n2 = 0 + 2
-4n + n2 = 0 + 2

Combine like terms: 0 + 2 = 2
-4n + n2 = 2

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

Add '4' to each side of the equation.
-4n + 4 + n2 = 2 + 4

Reorder the terms:
4 + -4n + n2 = 2 + 4

Combine like terms: 2 + 4 = 6
4 + -4n + n2 = 6

Factor a perfect square on the left side:
(n + -2)(n + -2) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(n + -2) equal to 2.449489743 and -2.449489743.

Subproblem 1

n + -2 = 2.449489743 Simplifying n + -2 = 2.449489743 Reorder the terms: -2 + n = 2.449489743 Solving -2 + n = 2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + n = 2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + n = 2.449489743 + 2 n = 2.449489743 + 2 Combine like terms: 2.449489743 + 2 = 4.449489743 n = 4.449489743 Simplifying n = 4.449489743

Subproblem 2

n + -2 = -2.449489743 Simplifying n + -2 = -2.449489743 Reorder the terms: -2 + n = -2.449489743 Solving -2 + n = -2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + n = -2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + n = -2.449489743 + 2 n = -2.449489743 + 2 Combine like terms: -2.449489743 + 2 = -0.449489743 n = -0.449489743 Simplifying n = -0.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. n = {4.449489743, -0.449489743}

See similar equations:

| -4(5y-2)-y=4(y-2) | | 2*8*x-2=3*9*x+3 | | d+17=5 | | r=160/32 | | -5x+8x-3x=-10-18 | | 960=400x | | ln(2x^3)=4 | | 8y^2=2y^2+25 | | 2*x+4=3*x+15 | | d=3*4 | | x^2+2x+4y-3=0 | | x=1.1 | | t=160*40 | | (3t-4)(t^2-5t+1)= | | t=160/40 | | 8-(2x+5)=23 | | 2*x+2=3*x+5 | | 5m+9=16 | | r=22/11 | | -4=2+c | | 4.7*125= | | 10+108y-16y(y)=0 | | 7=-5+c | | 5((s^2)+11s+10)=0 | | b=ks | | 6=-2+c | | (-2)(1)+c= | | a=(3-1)-3 | | a+(19-1)5= | | 3x^2+10=20 | | 3x^2+10-20= | | =6(k+7) |

Equations solver categories