9x^2-24x+13=0

Simple and best practice solution for 9x^2-24x+13=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^2-24x+13=0 equation:


Simplifying
9x2 + -24x + 13 = 0

Reorder the terms:
13 + -24x + 9x2 = 0

Solving
13 + -24x + 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'.
1.444444444 + -2.666666667x + x2 = 0

Move the constant term to the right:

Add '-1.444444444' to each side of the equation.
1.444444444 + -2.666666667x + -1.444444444 + x2 = 0 + -1.444444444

Reorder the terms:
1.444444444 + -1.444444444 + -2.666666667x + x2 = 0 + -1.444444444

Combine like terms: 1.444444444 + -1.444444444 = 0.000000000
0.000000000 + -2.666666667x + x2 = 0 + -1.444444444
-2.666666667x + x2 = 0 + -1.444444444

Combine like terms: 0 + -1.444444444 = -1.444444444
-2.666666667x + x2 = -1.444444444

The x term is -2.666666667x.  Take half its coefficient (-1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
-2.666666667x + 1.777777780 + x2 = -1.444444444 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667x + x2 = -1.444444444 + 1.777777780

Combine like terms: -1.444444444 + 1.777777780 = 0.333333336
1.777777780 + -2.666666667x + x2 = 0.333333336

Factor a perfect square on the left side:
(x + -1.333333334)(x + -1.333333334) = 0.333333336

Calculate the square root of the right side: 0.577350271

Break this problem into two subproblems by setting 
(x + -1.333333334) equal to 0.577350271 and -0.577350271.

Subproblem 1

x + -1.333333334 = 0.577350271 Simplifying x + -1.333333334 = 0.577350271 Reorder the terms: -1.333333334 + x = 0.577350271 Solving -1.333333334 + x = 0.577350271 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = 0.577350271 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = 0.577350271 + 1.333333334 x = 0.577350271 + 1.333333334 Combine like terms: 0.577350271 + 1.333333334 = 1.910683605 x = 1.910683605 Simplifying x = 1.910683605

Subproblem 2

x + -1.333333334 = -0.577350271 Simplifying x + -1.333333334 = -0.577350271 Reorder the terms: -1.333333334 + x = -0.577350271 Solving -1.333333334 + x = -0.577350271 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.333333334' to each side of the equation. -1.333333334 + 1.333333334 + x = -0.577350271 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = -0.577350271 + 1.333333334 x = -0.577350271 + 1.333333334 Combine like terms: -0.577350271 + 1.333333334 = 0.755983063 x = 0.755983063 Simplifying x = 0.755983063

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.910683605, 0.755983063}

See similar equations:

| 4x+2.9=7.3 | | 4b-2=3b-6 | | a-5/2=5a/4+a-26/6 | | 7-a=10 | | -19/3x+192 | | 8n+4=5n+6 | | -11-8/n=35 | | 5y-11=9 | | 500+4=2000 | | -12=(-3/2)k | | 30x+40=10x+150 | | -3t=5 | | r=5(ac-0.3) | | 5y-8=35+10 | | 3-7y+3=3y+12-7y | | 9=13/20x10 | | -7=11/17*z | | (m/-8)=(5/8) | | 30+3/4=42 | | -3x^2=-6 | | (5-c)/3=(2c+2)/-4 | | 6z+5z-3=41 | | 11+p/2=-47 | | 19x+5=100 | | -.3x^2+.1x+.04=0 | | -.3x^2+.1x=.04 | | (n-2)/7=2 | | 2y-26-7y+38= | | .66666667x+.5=.333333333x | | 3x-4-x+8= | | 34-7x=15+2x | | 1/100(x-40)=300 |

Equations solver categories