11=x^2-6x

Simple and best practice solution for 11=x^2-6x 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 11=x^2-6x equation:


Simplifying
11 = x2 + -6x

Reorder the terms:
11 = -6x + x2

Solving
11 = -6x + x2

Solving for variable 'x'.

Reorder the terms:
11 + 6x + -1x2 = -6x + 6x + x2 + -1x2

Combine like terms: -6x + 6x = 0
11 + 6x + -1x2 = 0 + x2 + -1x2
11 + 6x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
11 + 6x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-11 + -6x + x2 = 0

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + -6x + 11 + x2 = 0 + 11

Reorder the terms:
-11 + 11 + -6x + x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -6x + x2 = 0 + 11
-6x + x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-6x + x2 = 11

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 11 + 9

Reorder the terms:
9 + -6x + x2 = 11 + 9

Combine like terms: 11 + 9 = 20
9 + -6x + x2 = 20

Factor a perfect square on the left side:
(x + -3)(x + -3) = 20

Calculate the square root of the right side: 4.472135955

Break this problem into two subproblems by setting 
(x + -3) equal to 4.472135955 and -4.472135955.

Subproblem 1

x + -3 = 4.472135955 Simplifying x + -3 = 4.472135955 Reorder the terms: -3 + x = 4.472135955 Solving -3 + x = 4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 4.472135955 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.472135955 + 3 x = 4.472135955 + 3 Combine like terms: 4.472135955 + 3 = 7.472135955 x = 7.472135955 Simplifying x = 7.472135955

Subproblem 2

x + -3 = -4.472135955 Simplifying x + -3 = -4.472135955 Reorder the terms: -3 + x = -4.472135955 Solving -3 + x = -4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -4.472135955 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.472135955 + 3 x = -4.472135955 + 3 Combine like terms: -4.472135955 + 3 = -1.472135955 x = -1.472135955 Simplifying x = -1.472135955

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.472135955, -1.472135955}

See similar equations:

| 20=x^2-6x+9 | | 36x+4y=-40 | | 7x=-13-4*2 | | 3x=1-5*2 | | Z=8-5 | | 2x=17+3*-3 | | 5x=8-4*-3 | | 2x=17+3*4 | | 5x=8-4(4) | | i(2+7i)(2-7i)=0 | | 5x+4(4)=8 | | 5(5)+4y=8 | | 7y+24w=337 | | 2(-2)-3y=17 | | 5(-2)+4y=8 | | 10m=-n+p | | 0=4x^2+13x+3 | | 5x+tanx=0 | | 50x+40=x+50 | | 40x+50=x+50 | | 40x-50=x-50 | | 2(3x-1)=5-1(x+3) | | 50x+40=50x | | b^2-6b+9=6-2b | | 4(w+6)-6w=32 | | x+12+x=40 | | Y=.30+100 | | Y=.20+150 | | x+43+83+x+36=360 | | x+24+x+29+82+3x=360 | | x+29+x+30+x+14+x+79=360 | | x+19+x+30+x+59=360 |

Equations solver categories