x^2-11x=5

Simple and best practice solution for x^2-11x=5 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 x^2-11x=5 equation:


Simplifying
x2 + -11x = 5

Reorder the terms:
-11x + x2 = 5

Solving
-11x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + -11x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + -11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -11x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -11x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -11x + x2 = 0 + 5
-11x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-11x + x2 = 5

The x term is -11x.  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.
-11x + 30.25 + x2 = 5 + 30.25

Reorder the terms:
30.25 + -11x + x2 = 5 + 30.25

Combine like terms: 5 + 30.25 = 35.25
30.25 + -11x + x2 = 35.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 35.25

Calculate the square root of the right side: 5.937171044

Break this problem into two subproblems by setting 
(x + -5.5) equal to 5.937171044 and -5.937171044.

Subproblem 1

x + -5.5 = 5.937171044 Simplifying x + -5.5 = 5.937171044 Reorder the terms: -5.5 + x = 5.937171044 Solving -5.5 + x = 5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 5.937171044 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 5.937171044 + 5.5 x = 5.937171044 + 5.5 Combine like terms: 5.937171044 + 5.5 = 11.437171044 x = 11.437171044 Simplifying x = 11.437171044

Subproblem 2

x + -5.5 = -5.937171044 Simplifying x + -5.5 = -5.937171044 Reorder the terms: -5.5 + x = -5.937171044 Solving -5.5 + x = -5.937171044 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -5.937171044 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -5.937171044 + 5.5 x = -5.937171044 + 5.5 Combine like terms: -5.937171044 + 5.5 = -0.437171044 x = -0.437171044 Simplifying x = -0.437171044

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.437171044, -0.437171044}

See similar equations:

| 6x^2+9x-1=0 | | 3a=45 | | 3(4x+5)-9= | | x^2+18x-6=0 | | x^2+12x-1=0 | | 6-2x-3x= | | -2.5d-3.2=74.1 | | 5x^2+2x-6=0 | | 1-2a-6=-5 | | 8x+6=5+24 | | 13=-8y-11 | | 3[8-(2y-4)]= | | -7=1-2n-4 | | 51-7x=20+18 | | 13x+4=3(4x+1)-x+8 | | 5x^2-5x-8=0 | | -7=-5x-2x | | -5m^2-65=0 | | -5n+6n=-3 | | -x+4+15x=-5+5x+45 | | x^2+10x-2=0 | | -6=-4m+m | | 7-(4z-1)=8-5z | | 7(z+2)-3z=44 | | 5x+4+x=2+3x-10 | | 2x^2+16x=7 | | 2x+22=12x-58 | | 0=5x+x | | 5x^2-50x+20=0 | | 7-2=9 | | -3x-14=10 | | x^2-3x=2 |

Equations solver categories