0=4x-x^2+11

Simple and best practice solution for 0=4x-x^2+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 0=4x-x^2+11 equation:


Simplifying
0 = 4x + -1x2 + 11

Reorder the terms:
0 = 11 + 4x + -1x2

Solving
0 = 11 + 4x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + -11 = -11
-11 + -4x + x2 = 11 + 4x + -1x2 + -11 + -4x + x2

Reorder the terms:
-11 + -4x + x2 = 11 + -11 + 4x + -4x + -1x2 + x2

Combine like terms: 11 + -11 = 0
-11 + -4x + x2 = 0 + 4x + -4x + -1x2 + x2
-11 + -4x + x2 = 4x + -4x + -1x2 + x2

Combine like terms: 4x + -4x = 0
-11 + -4x + x2 = 0 + -1x2 + x2
-11 + -4x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-11 + -4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + -4x + 11 + x2 = 0 + 11

Reorder the terms:
-11 + 11 + -4x + x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -4x + x2 = 0 + 11
-4x + x2 = 0 + 11

Combine like terms: 0 + 11 = 11
-4x + x2 = 11

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 11 + 4

Reorder the terms:
4 + -4x + x2 = 11 + 4

Combine like terms: 11 + 4 = 15
4 + -4x + x2 = 15

Factor a perfect square on the left side:
(x + -2)(x + -2) = 15

Calculate the square root of the right side: 3.872983346

Break this problem into two subproblems by setting 
(x + -2) equal to 3.872983346 and -3.872983346.

Subproblem 1

x + -2 = 3.872983346 Simplifying x + -2 = 3.872983346 Reorder the terms: -2 + x = 3.872983346 Solving -2 + x = 3.872983346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 3.872983346 + 2 Combine like terms: -2 + 2 = 0 0 + x = 3.872983346 + 2 x = 3.872983346 + 2 Combine like terms: 3.872983346 + 2 = 5.872983346 x = 5.872983346 Simplifying x = 5.872983346

Subproblem 2

x + -2 = -3.872983346 Simplifying x + -2 = -3.872983346 Reorder the terms: -2 + x = -3.872983346 Solving -2 + x = -3.872983346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -3.872983346 + 2 Combine like terms: -2 + 2 = 0 0 + x = -3.872983346 + 2 x = -3.872983346 + 2 Combine like terms: -3.872983346 + 2 = -1.872983346 x = -1.872983346 Simplifying x = -1.872983346

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.872983346, -1.872983346}

See similar equations:

| x^4+2x-24=0 | | 4/21=h/33 | | 10w+42=2w+50 | | -4s-2=10 | | 3m^2+13m=-4 | | 13u-3u+7u-5u-10u+5=49 | | 12m^2-13m=-4 | | 3n^2-4=-11n | | 7/9/18 | | 6w-5w=28 | | 19j-12j+5j-12j+3j=48 | | 7/9/m | | 7/28•14/13= | | -22p+44p-23p=-42 | | 3x+54=6x-9 | | y=-2+1.3333333 | | -25z+2z-(-50z)+-25z-16=38 | | -2a+p=r | | 5d-11=6d-5 | | 54=5m | | 7s-5s+s-2s=14 | | x+5=52 | | -11=2u+3 | | -3-X=3X-5 | | 9x^2-x= | | (5s-2t)-(2t-4t)= | | 3t+3t-3t-t+2t=16 | | 18g-9g+g-9g=15 | | 4c+(-3)=8 | | 8/2*5=x | | Y=1/5(5)-6 | | 8/2*5 |

Equations solver categories