x^2-22x+121=255

Simple and best practice solution for x^2-22x+121=255 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^2-22x+121=255 equation:


Simplifying
x2 + -22x + 121 = 255

Reorder the terms:
121 + -22x + x2 = 255

Solving
121 + -22x + x2 = 255

Solving for variable 'x'.

Reorder the terms:
121 + -255 + -22x + x2 = 255 + -255

Combine like terms: 121 + -255 = -134
-134 + -22x + x2 = 255 + -255

Combine like terms: 255 + -255 = 0
-134 + -22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '134' to each side of the equation.
-134 + -22x + 134 + x2 = 0 + 134

Reorder the terms:
-134 + 134 + -22x + x2 = 0 + 134

Combine like terms: -134 + 134 = 0
0 + -22x + x2 = 0 + 134
-22x + x2 = 0 + 134

Combine like terms: 0 + 134 = 134
-22x + x2 = 134

The x term is -22x.  Take half its coefficient (-11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
-22x + 121 + x2 = 134 + 121

Reorder the terms:
121 + -22x + x2 = 134 + 121

Combine like terms: 134 + 121 = 255
121 + -22x + x2 = 255

Factor a perfect square on the left side:
(x + -11)(x + -11) = 255

Calculate the square root of the right side: 15.968719423

Break this problem into two subproblems by setting 
(x + -11) equal to 15.968719423 and -15.968719423.

Subproblem 1

x + -11 = 15.968719423 Simplifying x + -11 = 15.968719423 Reorder the terms: -11 + x = 15.968719423 Solving -11 + x = 15.968719423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = 15.968719423 + 11 Combine like terms: -11 + 11 = 0 0 + x = 15.968719423 + 11 x = 15.968719423 + 11 Combine like terms: 15.968719423 + 11 = 26.968719423 x = 26.968719423 Simplifying x = 26.968719423

Subproblem 2

x + -11 = -15.968719423 Simplifying x + -11 = -15.968719423 Reorder the terms: -11 + x = -15.968719423 Solving -11 + x = -15.968719423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + x = -15.968719423 + 11 Combine like terms: -11 + 11 = 0 0 + x = -15.968719423 + 11 x = -15.968719423 + 11 Combine like terms: -15.968719423 + 11 = -4.968719423 x = -4.968719423 Simplifying x = -4.968719423

Solution

The solution to the problem is based on the solutions from the subproblems. x = {26.968719423, -4.968719423}

See similar equations:

| 2(3x+6)-5x=14 | | n/.3=662/3 | | 6n-14=4 | | 4x-6=11x+16 | | 3x(x)=70 | | y+26=2y+8 | | 16-7x=-5x-4x | | 4(y+1)=2y+3+2y | | ln(x)=-1.082238098 | | y+26=2y+8-4 | | 125=-16t^2+125t+4 | | t+96=117 | | -7n+2=10 | | Y+8=2(x+4) | | 10x-2=181 | | 3(n+5)=4n+10-n+5 | | 8y^2+30+13= | | 13x-6x+15=6x+11 | | 123=-16t^2+123t+5 | | .12x-1=2+.75x | | n^2=3-2n | | 156=92-y | | Y=x^4+3x^2 | | m^2+10m=-21 | | 2x-(12)=4 | | -3h+14=8-h | | x^2=-6+7x | | .36(6)+.05x=.10(18+x) | | 8m-12=4+7m | | 4y-6=36 | | 7s-6=10+8s | | 5x-5=6+4x |

Equations solver categories