x^2+11x=24

Simple and best practice solution for x^2+11x=24 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=24 equation:


Simplifying
x2 + 11x = 24

Reorder the terms:
11x + x2 = 24

Solving
11x + x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + 11x + x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + 11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + 11x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + 11x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 11x + x2 = 0 + 24
11x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
11x + x2 = 24

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 = 24 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 24 + 30.25

Combine like terms: 24 + 30.25 = 54.25
30.25 + 11x + x2 = 54.25

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 54.25

Calculate the square root of the right side: 7.365459931

Break this problem into two subproblems by setting 
(x + 5.5) equal to 7.365459931 and -7.365459931.

Subproblem 1

x + 5.5 = 7.365459931 Simplifying x + 5.5 = 7.365459931 Reorder the terms: 5.5 + x = 7.365459931 Solving 5.5 + x = 7.365459931 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 = 7.365459931 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 7.365459931 + -5.5 x = 7.365459931 + -5.5 Combine like terms: 7.365459931 + -5.5 = 1.865459931 x = 1.865459931 Simplifying x = 1.865459931

Subproblem 2

x + 5.5 = -7.365459931 Simplifying x + 5.5 = -7.365459931 Reorder the terms: 5.5 + x = -7.365459931 Solving 5.5 + x = -7.365459931 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 = -7.365459931 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -7.365459931 + -5.5 x = -7.365459931 + -5.5 Combine like terms: -7.365459931 + -5.5 = -12.865459931 x = -12.865459931 Simplifying x = -12.865459931

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.865459931, -12.865459931}

See similar equations:

| y+4=-0.5(x-4) | | 6x^2+33xy+36y^2=0 | | (2v^2)-v-6=0 | | -2(4x-5)=4x | | 8-x=2x+5 | | 6(2)-5x= | | 35b-334=751 | | 4+(-4)=0 | | 36-5x= | | .50x-2=.33x | | -19=2u+9-6u | | x-6=2-3x | | x+6=2-3x | | x+6=2-3 | | 4k+7(-5-2k)=-2(k-2) | | 8(p-5)+7(p-1)=16p | | 2x^2+8x+6= | | 0=2m^2-11m+9 | | -(6x-v)+3(5v-5x)= | | 12x+18=6(x+2) | | -5x+9x=3 | | y^2=-81 | | -5x+9= | | 12+5y=-13 | | 5v-30=8(3+4v) | | 3x+5(2x-13)=-13 | | 25x^4-4x^2=0 | | y=13x-65 | | 3x-(1x+5)=4(2x-3) | | 3x+5=71 | | .50x^2-5x=0 | | .50x^2-5x+2=0 |

Equations solver categories