x^2-x-24=0

Simple and best practice solution for x^2-x-24=0 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-x-24=0 equation:


Simplifying
x2 + -1x + -24 = 0

Reorder the terms:
-24 + -1x + x2 = 0

Solving
-24 + -1x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + -1x + 24 + x2 = 0 + 24

Reorder the terms:
-24 + 24 + -1x + x2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -1x + x2 = 0 + 24
-1x + x2 = 0 + 24

Combine like terms: 0 + 24 = 24
-1x + x2 = 24

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 24 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 24 + 0.25

Combine like terms: 24 + 0.25 = 24.25
0.25 + -1x + x2 = 24.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 24.25

Calculate the square root of the right side: 4.924428901

Break this problem into two subproblems by setting 
(x + -0.5) equal to 4.924428901 and -4.924428901.

Subproblem 1

x + -0.5 = 4.924428901 Simplifying x + -0.5 = 4.924428901 Reorder the terms: -0.5 + x = 4.924428901 Solving -0.5 + x = 4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 4.924428901 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 4.924428901 + 0.5 x = 4.924428901 + 0.5 Combine like terms: 4.924428901 + 0.5 = 5.424428901 x = 5.424428901 Simplifying x = 5.424428901

Subproblem 2

x + -0.5 = -4.924428901 Simplifying x + -0.5 = -4.924428901 Reorder the terms: -0.5 + x = -4.924428901 Solving -0.5 + x = -4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -4.924428901 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -4.924428901 + 0.5 x = -4.924428901 + 0.5 Combine like terms: -4.924428901 + 0.5 = -4.424428901 x = -4.424428901 Simplifying x = -4.424428901

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.424428901, -4.424428901}

See similar equations:

| -2(3x+12)=36 | | 6w-36=2w | | A=3.14*9y | | -2t-1=4 | | 2=x/25.6 | | 2x+(x-10)+x=70 | | 7x-2/9 | | 2(4x+5)=5(x-6)-10 | | .01m-1.5=.009 | | 15(x+1/3)=3x+5+7x | | 6=y-2 | | 5x*-1xy= | | 38.4=6n | | 2x+16=(2/5)x | | .001n-1.5=.009 | | y/10.24=4 | | .5y-2.1=7.4 | | 100-5x=22x+16 | | 4z+7=5z | | 66-2x=34x+22 | | -3/2+3/2c=13/6 | | 10m^4n-25m^2N+20mn= | | 2x=4/5 | | -8(x+2)=8-7x | | p=54d+2112 | | 4x-2x-2=-9+5x-8 | | 2(10+8v)=-12-8(1-3v) | | X+(x-10)=70 | | -5c-10c=3(c+6) | | 8w=3w | | 2y=56 | | a-8=2(5a+5) |

Equations solver categories