9x^2-8x-24=0

Simple and best practice solution for 9x^2-8x-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 9x^2-8x-24=0 equation:


Simplifying
9x2 + -8x + -24 = 0

Reorder the terms:
-24 + -8x + 9x2 = 0

Solving
-24 + -8x + 9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
-2.666666667 + -0.8888888889x + x2 = 0

Move the constant term to the right:

Add '2.666666667' to each side of the equation.
-2.666666667 + -0.8888888889x + 2.666666667 + x2 = 0 + 2.666666667

Reorder the terms:
-2.666666667 + 2.666666667 + -0.8888888889x + x2 = 0 + 2.666666667

Combine like terms: -2.666666667 + 2.666666667 = 0.000000000
0.000000000 + -0.8888888889x + x2 = 0 + 2.666666667
-0.8888888889x + x2 = 0 + 2.666666667

Combine like terms: 0 + 2.666666667 = 2.666666667
-0.8888888889x + x2 = 2.666666667

The x term is -0.8888888889x.  Take half its coefficient (-0.4444444445).
Square it (0.1975308642) and add it to both sides.

Add '0.1975308642' to each side of the equation.
-0.8888888889x + 0.1975308642 + x2 = 2.666666667 + 0.1975308642

Reorder the terms:
0.1975308642 + -0.8888888889x + x2 = 2.666666667 + 0.1975308642

Combine like terms: 2.666666667 + 0.1975308642 = 2.8641975312
0.1975308642 + -0.8888888889x + x2 = 2.8641975312

Factor a perfect square on the left side:
(x + -0.4444444445)(x + -0.4444444445) = 2.8641975312

Calculate the square root of the right side: 1.692394024

Break this problem into two subproblems by setting 
(x + -0.4444444445) equal to 1.692394024 and -1.692394024.

Subproblem 1

x + -0.4444444445 = 1.692394024 Simplifying x + -0.4444444445 = 1.692394024 Reorder the terms: -0.4444444445 + x = 1.692394024 Solving -0.4444444445 + x = 1.692394024 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4444444445' to each side of the equation. -0.4444444445 + 0.4444444445 + x = 1.692394024 + 0.4444444445 Combine like terms: -0.4444444445 + 0.4444444445 = 0.0000000000 0.0000000000 + x = 1.692394024 + 0.4444444445 x = 1.692394024 + 0.4444444445 Combine like terms: 1.692394024 + 0.4444444445 = 2.1368384685 x = 2.1368384685 Simplifying x = 2.1368384685

Subproblem 2

x + -0.4444444445 = -1.692394024 Simplifying x + -0.4444444445 = -1.692394024 Reorder the terms: -0.4444444445 + x = -1.692394024 Solving -0.4444444445 + x = -1.692394024 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4444444445' to each side of the equation. -0.4444444445 + 0.4444444445 + x = -1.692394024 + 0.4444444445 Combine like terms: -0.4444444445 + 0.4444444445 = 0.0000000000 0.0000000000 + x = -1.692394024 + 0.4444444445 x = -1.692394024 + 0.4444444445 Combine like terms: -1.692394024 + 0.4444444445 = -1.2479495795 x = -1.2479495795 Simplifying x = -1.2479495795

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.1368384685, -1.2479495795}

See similar equations:

| 6x+34=14-54 | | log(x^2-3)=0 | | 3(x+2)-x=4 | | 6^4/6^3×6^2 | | 7+2(3x-1)=29 | | 5t*t=80 | | 5(x+4)-2(x-1)=43 | | 2x+1(-2x+2)=6 | | 2x+2(-2+2)=6 | | 8x+6y=198 | | -4x-2=-2 | | 4/5x5/4 | | 12x2/6-15x2/3 | | x(x+4)=(x+2)square | | (4x-3w)(7x-3w)= | | 91x=49 | | 111=x^2+26x+24 | | 111=x^2+26x | | 50(a^2)-(a^4)-25=0 | | 7y+-60=12yequation | | 1/5(p-5 | | 14x+120=10x+200 | | -4x+7=-6x+23 | | 3s-10=2s+15 | | 6x-7x+9y= | | X^2+2+10x+21= | | 140+y=60 | | (2x+5)(3x+1)= | | 6-2=5x-9x+14 | | 2(70)+y=160 | | ydx+(x-x^4y^5)dy=0 | | ydx+(x-x^4y^5)=0 |

Equations solver categories