(x^2)-11x+23=0

Simple and best practice solution for (x^2)-11x+23=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 (x^2)-11x+23=0 equation:


Simplifying
(x2) + -11x + 23 = 0
x2 + -11x + 23 = 0

Reorder the terms:
23 + -11x + x2 = 0

Solving
23 + -11x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-23' to each side of the equation.
23 + -11x + -23 + x2 = 0 + -23

Reorder the terms:
23 + -23 + -11x + x2 = 0 + -23

Combine like terms: 23 + -23 = 0
0 + -11x + x2 = 0 + -23
-11x + x2 = 0 + -23

Combine like terms: 0 + -23 = -23
-11x + x2 = -23

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 = -23 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -23 + 30.25

Combine like terms: -23 + 30.25 = 7.25
30.25 + -11x + x2 = 7.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(x + -5.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

x + -5.5 = 2.692582404 Simplifying x + -5.5 = 2.692582404 Reorder the terms: -5.5 + x = 2.692582404 Solving -5.5 + x = 2.692582404 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 = 2.692582404 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 2.692582404 + 5.5 x = 2.692582404 + 5.5 Combine like terms: 2.692582404 + 5.5 = 8.192582404 x = 8.192582404 Simplifying x = 8.192582404

Subproblem 2

x + -5.5 = -2.692582404 Simplifying x + -5.5 = -2.692582404 Reorder the terms: -5.5 + x = -2.692582404 Solving -5.5 + x = -2.692582404 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 = -2.692582404 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -2.692582404 + 5.5 x = -2.692582404 + 5.5 Combine like terms: -2.692582404 + 5.5 = 2.807417596 x = 2.807417596 Simplifying x = 2.807417596

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.192582404, 2.807417596}

See similar equations:

| 63=7w | | 2x-3(.50)=20 | | solvex^2+8x-6=0 | | -15x+39x= | | (x^2)-x-27=0 | | 7log(x+8)=7 | | 2x-3(1/2)=20 | | 2(3c-2)-2=2c+6 | | x^4-16x^2+35=0 | | -3/2x-5 | | 56=7r | | 2x-3(-6)=20 | | 2(1)-3y=20 | | 8(5x-7)-39x=7 | | 5-2x/5+x-4/10=9/10 | | 16=4d | | 11(2x)= | | 14+14=18 | | 4xy(2x)= | | 32=8v | | 8-2xln=7 | | 8-2lnx=7 | | 7m=49 | | 45=(x+1)(2x+1) | | 7x/6+11/18=-1/6 | | 6v^2+3v-6= | | 3z-8=4z-7 | | a+5=54 | | 18=-2x+1+3(-3x+2) | | 2[3-2(z+4)]=3(4-2) | | x^3+9x+15=0 | | 4f+6(f-3)=92 |

Equations solver categories