9x^2-24x+80=0

Simple and best practice solution for 9x^2-24x+80=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+80=0 equation:


Simplifying
9x2 + -24x + 80 = 0

Reorder the terms:
80 + -24x + 9x2 = 0

Solving
80 + -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'.
8.888888889 + -2.666666667x + x2 = 0

Move the constant term to the right:

Add '-8.888888889' to each side of the equation.
8.888888889 + -2.666666667x + -8.888888889 + x2 = 0 + -8.888888889

Reorder the terms:
8.888888889 + -8.888888889 + -2.666666667x + x2 = 0 + -8.888888889

Combine like terms: 8.888888889 + -8.888888889 = 0.000000000
0.000000000 + -2.666666667x + x2 = 0 + -8.888888889
-2.666666667x + x2 = 0 + -8.888888889

Combine like terms: 0 + -8.888888889 = -8.888888889
-2.666666667x + x2 = -8.888888889

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 = -8.888888889 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667x + x2 = -8.888888889 + 1.777777780

Combine like terms: -8.888888889 + 1.777777780 = -7.111111109
1.777777780 + -2.666666667x + x2 = -7.111111109

Factor a perfect square on the left side:
(x + -1.333333334)(x + -1.333333334) = -7.111111109

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5.2x=-41.6 | | -2(2-2x)-4(4x+5)=-24 | | 7(3x-3)=24 | | 7(3x-2)-3x=19 | | 10(1+3b)=20 | | 10x^2+23x-42=0 | | 322.208+1.2454x^2=58.2884x | | 3(6x+8)=12 | | 7w-14w=1-50 | | -2x+17=6-x | | .25x+28=2x | | -2y-10=5+18 | | 12(6x-7)=4x-5 | | 5m-18-4m=-36 | | 8(x-1)+15(x+14)= | | P(x)=8x^3-26x^2+17x+6 | | b-8-6b+10= | | -4=-y | | .5m=-5.5 | | 5+3p-2=0 | | -10=10b | | 4.5m-8=-5.5+4m | | 3x^2+0x+12=0 | | (6x)(6x)+2x-32=0 | | 23x=0 | | 3x^2+2x-12=0 | | 19x=0 | | 4x+16-6-2=0 | | 5y=4y-3.9 | | (85x-68y)-(65x+39y)= | | 250=9.5t | | x^2-13x-24=0 |

Equations solver categories