9x^2-24x+16=8

Simple and best practice solution for 9x^2-24x+16=8 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+16=8 equation:


Simplifying
9x2 + -24x + 16 = 8

Reorder the terms:
16 + -24x + 9x2 = 8

Solving
16 + -24x + 9x2 = 8

Solving for variable 'x'.

Reorder the terms:
16 + -8 + -24x + 9x2 = 8 + -8

Combine like terms: 16 + -8 = 8
8 + -24x + 9x2 = 8 + -8

Combine like terms: 8 + -8 = 0
8 + -24x + 9x2 = 0

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

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

Move the constant term to the right:

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

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

Combine like terms: 0.8888888889 + -0.8888888889 = 0.0000000000
0.0000000000 + -2.666666667x + x2 = 0 + -0.8888888889
-2.666666667x + x2 = 0 + -0.8888888889

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

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 = -0.8888888889 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667x + x2 = -0.8888888889 + 1.777777780

Combine like terms: -0.8888888889 + 1.777777780 = 0.8888888911
1.777777780 + -2.666666667x + x2 = 0.8888888911

Factor a perfect square on the left side:
(x + -1.333333334)(x + -1.333333334) = 0.8888888911

Calculate the square root of the right side: 0.942809043

Break this problem into two subproblems by setting 
(x + -1.333333334) equal to 0.942809043 and -0.942809043.

Subproblem 1

x + -1.333333334 = 0.942809043 Simplifying x + -1.333333334 = 0.942809043 Reorder the terms: -1.333333334 + x = 0.942809043 Solving -1.333333334 + x = 0.942809043 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 = 0.942809043 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = 0.942809043 + 1.333333334 x = 0.942809043 + 1.333333334 Combine like terms: 0.942809043 + 1.333333334 = 2.276142377 x = 2.276142377 Simplifying x = 2.276142377

Subproblem 2

x + -1.333333334 = -0.942809043 Simplifying x + -1.333333334 = -0.942809043 Reorder the terms: -1.333333334 + x = -0.942809043 Solving -1.333333334 + x = -0.942809043 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 = -0.942809043 + 1.333333334 Combine like terms: -1.333333334 + 1.333333334 = 0.000000000 0.000000000 + x = -0.942809043 + 1.333333334 x = -0.942809043 + 1.333333334 Combine like terms: -0.942809043 + 1.333333334 = 0.390524291 x = 0.390524291 Simplifying x = 0.390524291

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.276142377, 0.390524291}

See similar equations:

| 4-6=-2-16-2 | | 21+f=24 | | 5(2+3a)= | | 5x+9=42 | | v^4-10v^2+16=0 | | 4(3x-2)=11x+2 | | 200(t)=-4t^2+776 | | -3x+2(-5x-20)=157 | | D(t)=-4t^2+776 | | Xsquared+7x=0 | | -3(x-7)=1-(-7x+3) | | 1+2-13=12-4-2 | | y=10x+220 | | 0.6x+6.1=2.2 | | -84=8(-1+2x)+4 | | 7X+6x-9x=18+6 | | 11y+3=4y(2y+3) | | 10/2=n-1/9 | | 25+2x=4x-33 | | 41=n-18 | | 7(x+2)-6=x+1 | | 9m=-5+4m | | 100+2x=-5x+30000 | | x^4+2x^3-11x^2-12x-36=0 | | 1000+2x=-5x+300 | | 500+2x=-5x+300 | | 8(t^2+t-12)=0 | | 7m-3=5m+9 | | 2x-10=x+9 | | 5x+y+z=100-y+x+6c | | (x+2)=2x+20 | | 36-9x=10+4x |

Equations solver categories