66x^2+121x+153=0

Simple and best practice solution for 66x^2+121x+153=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 66x^2+121x+153=0 equation:


Simplifying
66x2 + 121x + 153 = 0

Reorder the terms:
153 + 121x + 66x2 = 0

Solving
153 + 121x + 66x2 = 0

Solving for variable 'x'.

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

Divide each side by '66'.
2.318181818 + 1.833333333x + x2 = 0

Move the constant term to the right:

Add '-2.318181818' to each side of the equation.
2.318181818 + 1.833333333x + -2.318181818 + x2 = 0 + -2.318181818

Reorder the terms:
2.318181818 + -2.318181818 + 1.833333333x + x2 = 0 + -2.318181818

Combine like terms: 2.318181818 + -2.318181818 = 0.000000000
0.000000000 + 1.833333333x + x2 = 0 + -2.318181818
1.833333333x + x2 = 0 + -2.318181818

Combine like terms: 0 + -2.318181818 = -2.318181818
1.833333333x + x2 = -2.318181818

The x term is 1.833333333x.  Take half its coefficient (0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
1.833333333x + 0.8402777775 + x2 = -2.318181818 + 0.8402777775

Reorder the terms:
0.8402777775 + 1.833333333x + x2 = -2.318181818 + 0.8402777775

Combine like terms: -2.318181818 + 0.8402777775 = -1.4779040405
0.8402777775 + 1.833333333x + x2 = -1.4779040405

Factor a perfect square on the left side:
(x + 0.9166666665)(x + 0.9166666665) = -1.4779040405

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -x+3y=-18 | | 15/y=5/10 | | x/3=5/10 | | -1*12+24/2 | | 36/m=3/5 | | 7t-4=2t-4 | | 5/11=13/y | | 9x-6=-3(x+2)-24 | | 30/20=y/7 | | (3ab+10c^2)(3ab-10c^2)= | | 14x+37=2 | | -2+8n=2 | | 2p/5=6 | | 3(7/6y+10/3)+5y=-7 | | -20=-3x+1 | | (-1/2)2+1/5 | | F(-20)=-3x+1 | | y+3+2-4=16 | | (4/1)2/(4/1-1/3) | | 21890.+155532.= | | 45(7+7/9y)-35y=18 | | 10y+21=63 | | (1-3y)-(8+8y)= | | 3ix+5i-6=(-2+i)x+3i | | -8y+3=9y+1 | | 12x-7=8+15x | | -8y+3=9y | | 2(3x+1)=4(x-1) | | 1.2x-3.1=0.7x+0.35 | | 4(1/2+1/5)+4 | | 5b^2+5=375 | | -x/3+25=-3 |

Equations solver categories