x^2=8x+24

Simple and best practice solution for x^2=8x+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=8x+24 equation:


Simplifying
x2 = 8x + 24

Reorder the terms:
x2 = 24 + 8x

Solving
x2 = 24 + 8x

Solving for variable 'x'.

Reorder the terms:
-24 + -8x + x2 = 24 + 8x + -24 + -8x

Reorder the terms:
-24 + -8x + x2 = 24 + -24 + 8x + -8x

Combine like terms: 24 + -24 = 0
-24 + -8x + x2 = 0 + 8x + -8x
-24 + -8x + x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-24 + -8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + -8x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + -8x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -8x + x2 = 0 + 24
-8x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
-8x + x2 = 24

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = 24 + 16

Reorder the terms:
16 + -8x + x2 = 24 + 16

Combine like terms: 24 + 16 = 40
16 + -8x + x2 = 40

Factor a perfect square on the left side:
(x + -4)(x + -4) = 40

Calculate the square root of the right side: 6.32455532

Break this problem into two subproblems by setting 
(x + -4) equal to 6.32455532 and -6.32455532.

Subproblem 1

x + -4 = 6.32455532 Simplifying x + -4 = 6.32455532 Reorder the terms: -4 + x = 6.32455532 Solving -4 + x = 6.32455532 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 6.32455532 + 4 Combine like terms: -4 + 4 = 0 0 + x = 6.32455532 + 4 x = 6.32455532 + 4 Combine like terms: 6.32455532 + 4 = 10.32455532 x = 10.32455532 Simplifying x = 10.32455532

Subproblem 2

x + -4 = -6.32455532 Simplifying x + -4 = -6.32455532 Reorder the terms: -4 + x = -6.32455532 Solving -4 + x = -6.32455532 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -6.32455532 + 4 Combine like terms: -4 + 4 = 0 0 + x = -6.32455532 + 4 x = -6.32455532 + 4 Combine like terms: -6.32455532 + 4 = -2.32455532 x = -2.32455532 Simplifying x = -2.32455532

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.32455532, -2.32455532}

See similar equations:

| ex=o | | 3b^2+12b= | | 15=-9v-6v | | 42-6y+7y-y^2= | | 4b-5b=27 | | -8*(-8)=4(k+2) | | 49-9x=11 | | 331=3n^2-3n+1 | | -1/4-(-1/6)= | | 4m+3p-2m-5p= | | x^4+x^2-6x-8=0 | | 7=6-3y/9 | | 8.2x-3+1.8=2(1+5x) | | 24=12-2x | | 36-4y+9y-y^2= | | -9(7s+4)=-24-6s | | (2+2w)*4+9(w+3)= | | 25n+7=12 | | -3x+y=-19 | | 2i=4 | | -7(1-8k)=16 | | 5x(10x-2)= | | S-2=3s-8 | | (2.5+6)+3=2.5 | | 5.3(2x-3.5)=18.65+3.7x | | 5t^2-16t=-12 | | (c+.75)7=2.80 | | 6x+3ab=7x-5ab | | 3-2(1-4x)=31 | | 5x(5-4x)= | | 9y-18x=27-o | | 3x-10=-118 |

Equations solver categories