n^2-11n+4=0

Simple and best practice solution for n^2-11n+4=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 n^2-11n+4=0 equation:


Simplifying
n2 + -11n + 4 = 0

Reorder the terms:
4 + -11n + n2 = 0

Solving
4 + -11n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -11n + -4 + n2 = 0 + -4

Reorder the terms:
4 + -4 + -11n + n2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -11n + n2 = 0 + -4
-11n + n2 = 0 + -4

Combine like terms: 0 + -4 = -4
-11n + n2 = -4

The n term is -11n.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11n + 30.25 + n2 = -4 + 30.25

Reorder the terms:
30.25 + -11n + n2 = -4 + 30.25

Combine like terms: -4 + 30.25 = 26.25
30.25 + -11n + n2 = 26.25

Factor a perfect square on the left side:
(n + -5.5)(n + -5.5) = 26.25

Calculate the square root of the right side: 5.123475383

Break this problem into two subproblems by setting 
(n + -5.5) equal to 5.123475383 and -5.123475383.

Subproblem 1

n + -5.5 = 5.123475383 Simplifying n + -5.5 = 5.123475383 Reorder the terms: -5.5 + n = 5.123475383 Solving -5.5 + n = 5.123475383 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + n = 5.123475383 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + n = 5.123475383 + 5.5 n = 5.123475383 + 5.5 Combine like terms: 5.123475383 + 5.5 = 10.623475383 n = 10.623475383 Simplifying n = 10.623475383

Subproblem 2

n + -5.5 = -5.123475383 Simplifying n + -5.5 = -5.123475383 Reorder the terms: -5.5 + n = -5.123475383 Solving -5.5 + n = -5.123475383 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + n = -5.123475383 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + n = -5.123475383 + 5.5 n = -5.123475383 + 5.5 Combine like terms: -5.123475383 + 5.5 = 0.376524617 n = 0.376524617 Simplifying n = 0.376524617

Solution

The solution to the problem is based on the solutions from the subproblems. n = {10.623475383, 0.376524617}

See similar equations:

| 7y-4=3(y-2) | | 6x^2+77x-13=0 | | x=3y-1 | | 4x-1=3(2-x) | | -9*q=108 | | y=x^2+6x-40 | | 2x^2+bx+c=0 | | 2/3/2/15= | | -2(1+2x)=3-x | | [2-x]+5=3 | | [x]=3 | | x^2+kx-19=0 | | d^2+10d+9=0 | | w^2+18w+77=0 | | 4+1.5(z+4)=3.5z-4 | | 1x-2= | | 2-2*1/2= | | r^2-5=0 | | 6(m-6)=-9(m+7) | | 2(4x+3)=7(x-5) | | 5x+34=-2+14x | | 8-5x=2+6x | | x^2-14x+39=0 | | 2(4x-3)=7(x-5) | | 0=-6x^2+60x+7200 | | 2(q^2-20)+17q=-10q^2 | | y=x^2+8x+16 | | z^2+9z-90=(z-6)(z+x) | | 56-36=9x+20 | | u^2-4u+4=0 | | 14x=7y | | k^2+8k=24 |

Equations solver categories