x^2-11x=14

Simple and best practice solution for x^2-11x=14 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=14 equation:


Simplifying
x2 + -11x = 14

Reorder the terms:
-11x + x2 = 14

Solving
-11x + x2 = 14

Solving for variable 'x'.

Reorder the terms:
-14 + -11x + x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + -11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -11x + 14 + x2 = 0 + 14

Reorder the terms:
-14 + 14 + -11x + x2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -11x + x2 = 0 + 14
-11x + x2 = 0 + 14

Combine like terms: 0 + 14 = 14
-11x + x2 = 14

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 = 14 + 30.25

Reorder the terms:
30.25 + -11x + x2 = 14 + 30.25

Combine like terms: 14 + 30.25 = 44.25
30.25 + -11x + x2 = 44.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 44.25

Calculate the square root of the right side: 6.652067348

Break this problem into two subproblems by setting 
(x + -5.5) equal to 6.652067348 and -6.652067348.

Subproblem 1

x + -5.5 = 6.652067348 Simplifying x + -5.5 = 6.652067348 Reorder the terms: -5.5 + x = 6.652067348 Solving -5.5 + x = 6.652067348 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 = 6.652067348 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 6.652067348 + 5.5 x = 6.652067348 + 5.5 Combine like terms: 6.652067348 + 5.5 = 12.152067348 x = 12.152067348 Simplifying x = 12.152067348

Subproblem 2

x + -5.5 = -6.652067348 Simplifying x + -5.5 = -6.652067348 Reorder the terms: -5.5 + x = -6.652067348 Solving -5.5 + x = -6.652067348 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 = -6.652067348 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -6.652067348 + 5.5 x = -6.652067348 + 5.5 Combine like terms: -6.652067348 + 5.5 = -1.152067348 x = -1.152067348 Simplifying x = -1.152067348

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.152067348, -1.152067348}

See similar equations:

| 6x^3+9x^2+-5x+36=0 | | -2*1=0 | | 5=3+10 | | (77-x)/(77-x) | | +2+=+12 | | 4d+9e+10d+9e= | | 9x+9-8x=12 | | +4+2=+20 | | 5-2x=12+5x | | 3t^2+24t+36=0 | | 6x^3+9x^2+-5x+24=0 | | 12(5-3)+8/2 | | 6x^3+9x^2+-5x+12=0 | | 6x^3+9x^2+-5x+4=0 | | 3x^2+yx+12=0 | | +2+14=5+2 | | 3x^2+Bx+12=0 | | P+4=-9+p | | x^2+3/2x-1/3x-3/6=0 | | (x-8)/(77-x)-2=0 | | -120+5x=-4x+33 | | 5y+2y=-15 | | -122-5x=34+8x | | (x+1/3)(x-3/2) | | x+(1/6)=2/3 | | -122-5x=3 | | y-(-2)=23 | | -25=-6(5d-2) | | 36=x(x+9) | | +2+5=+19 | | x/2/3=6 | | 6x^3/3x+12 |

Equations solver categories