x^2-22x=11

Simple and best practice solution for x^2-22x=11 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=11 equation:


Simplifying
x2 + -22x = 11

Reorder the terms:
-22x + x2 = 11

Solving
-22x + x2 = 11

Solving for variable 'x'.

Reorder the terms:
-11 + -22x + x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + -22x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + -22x + 11 + x2 = 0 + 11

Reorder the terms:
-11 + 11 + -22x + x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -22x + x2 = 0 + 11
-22x + x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-22x + x2 = 11

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 = 11 + 121

Reorder the terms:
121 + -22x + x2 = 11 + 121

Combine like terms: 11 + 121 = 132
121 + -22x + x2 = 132

Factor a perfect square on the left side:
(x + -11)(x + -11) = 132

Calculate the square root of the right side: 11.489125293

Break this problem into two subproblems by setting 
(x + -11) equal to 11.489125293 and -11.489125293.

Subproblem 1

x + -11 = 11.489125293 Simplifying x + -11 = 11.489125293 Reorder the terms: -11 + x = 11.489125293 Solving -11 + x = 11.489125293 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 = 11.489125293 + 11 Combine like terms: -11 + 11 = 0 0 + x = 11.489125293 + 11 x = 11.489125293 + 11 Combine like terms: 11.489125293 + 11 = 22.489125293 x = 22.489125293 Simplifying x = 22.489125293

Subproblem 2

x + -11 = -11.489125293 Simplifying x + -11 = -11.489125293 Reorder the terms: -11 + x = -11.489125293 Solving -11 + x = -11.489125293 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 = -11.489125293 + 11 Combine like terms: -11 + 11 = 0 0 + x = -11.489125293 + 11 x = -11.489125293 + 11 Combine like terms: -11.489125293 + 11 = -0.489125293 x = -0.489125293 Simplifying x = -0.489125293

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.489125293, -0.489125293}

See similar equations:

| 4(f+2)=9+5f | | 7x-18=3x+14 | | x-2/x-1=x+4/2x+2 | | 10-x=16/3-x/3 | | -96=3(7n-4) | | 3(t-3)+5t=4(2t+3)-9 | | 5.00+3.00x=0 | | 5.00+3.00x=50 | | 30-3x=16-3x | | 5.00+3.00*1=0 | | 0.3x^5-4x+2=0 | | 5.00+3.00*5=0 | | 47*1/4 | | W-2w-2w+6w= | | 5c-2c+8=21 | | y=4+1/3x | | x+2=x^2-8x+16 | | 4A+4=32 | | 12(x-6)=-4(x+44) | | 14y^7+2y^4= | | 2.8x+250=2504 | | T+69/29=4 | | 2.8x+250=4800 | | 2(x-9)=-10 | | (9x)(x-6)=0 | | D+181/25=12 | | 2x-2=8y | | 7-3r=r-4(r+2) | | 2.8+250=4800 | | -5(4y-6)+2(3y+7)= | | 454=26r+12 | | 3y+2/5 |

Equations solver categories