19+x^2-11x=0

Simple and best practice solution for 19+x^2-11x=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 19+x^2-11x=0 equation:


Simplifying
19 + x2 + -11x = 0

Reorder the terms:
19 + -11x + x2 = 0

Solving
19 + -11x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -11x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + -11x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -11x + x2 = 0 + -19
-11x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-11x + x2 = -19

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 = -19 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -19 + 30.25

Combine like terms: -19 + 30.25 = 11.25
30.25 + -11x + x2 = 11.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 11.25

Calculate the square root of the right side: 3.354101966

Break this problem into two subproblems by setting 
(x + -5.5) equal to 3.354101966 and -3.354101966.

Subproblem 1

x + -5.5 = 3.354101966 Simplifying x + -5.5 = 3.354101966 Reorder the terms: -5.5 + x = 3.354101966 Solving -5.5 + x = 3.354101966 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 = 3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 3.354101966 + 5.5 x = 3.354101966 + 5.5 Combine like terms: 3.354101966 + 5.5 = 8.854101966 x = 8.854101966 Simplifying x = 8.854101966

Subproblem 2

x + -5.5 = -3.354101966 Simplifying x + -5.5 = -3.354101966 Reorder the terms: -5.5 + x = -3.354101966 Solving -5.5 + x = -3.354101966 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 = -3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -3.354101966 + 5.5 x = -3.354101966 + 5.5 Combine like terms: -3.354101966 + 5.5 = 2.145898034 x = 2.145898034 Simplifying x = 2.145898034

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.854101966, 2.145898034}

See similar equations:

| (7q-3)(q+2)=4(q+5)-26 | | 4x+7=70-5x | | 5x+6=-120-92 | | 4m-1=19 | | 90x^2-71x-9=0 | | 5n^2+28n+15=0 | | 3x+4(x-5)=9x-18 | | 5(n+2)=45 | | 5+10n=51 | | -26-4=9-9x | | 5n-4=7 | | 12p^2-36p+24=0 | | 4x-81=7x | | x+2+x+2+x+x=24 | | t+4t=10-t | | 4x+5y=24 | | 2m-3-3m=-27 | | x^2-6x-391=0 | | x^2+y^2=196 | | 14p^2+140p=126 | | x+2+x=344 | | x^2+3x=-42 | | 3x+5y=36 | | 4x-3=12x-18 | | 2x+6(x-1)=7x+5 | | f(-1)=4x^2-x-3 | | 2x=8-8 | | 5x+38=12x-8 | | 6-9x=36-30x | | 56c^2+19cd-15d^2= | | x-1+x+2+x=37 | | 4(y+2)+3(y+6)=-12 |

Equations solver categories