3x^2+x+216=0

Simple and best practice solution for 3x^2+x+216=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 3x^2+x+216=0 equation:


Simplifying
3x2 + x + 216 = 0

Reorder the terms:
216 + x + 3x2 = 0

Solving
216 + x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
72 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-72' to each side of the equation.
72 + 0.3333333333x + -72 + x2 = 0 + -72

Reorder the terms:
72 + -72 + 0.3333333333x + x2 = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 0.3333333333x + x2 = 0 + -72
0.3333333333x + x2 = 0 + -72

Combine like terms: 0 + -72 = -72
0.3333333333x + x2 = -72

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.3333333333x + 0.25 + x2 = -72 + 0.25

Reorder the terms:
0.25 + 0.3333333333x + x2 = -72 + 0.25

Combine like terms: -72 + 0.25 = -71.75
0.25 + 0.3333333333x + x2 = -71.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -71.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 25v+36=0 | | r^2-3r=2 | | xquared+9xsquared=0 | | 14t=22 | | 5n-20=-10 | | x^2-6x+54=0 | | C+c+c=c+6 | | 3r=3/7 | | 2(15)(12)+2(15)x+2(12)x=55 | | 0=-5t^2+10t+65 | | H(t)=16t^2+32t+48 | | 2(15)(12)+2(15)x+2(12)x=100 | | A=J+Jrt | | Tanx^3+tanx=0 | | x^2+96x-576=0 | | 9I+2=3(1-2) | | 4x^2+135x+1000=0 | | 6/3*5-2 | | z=(18/(z-7)) | | n=h/19 | | x^2-20x+57=6 | | 9m+6=95 | | 2(x-3)+3(2x-4)= | | 5.3n+7.25= | | 4m^2-3m-6=0 | | 16v^2-8v+1=0 | | 7n+4-6=12 | | 4sin^2(2x)-1=0 | | 3x-6=15x-68 | | A/-6-2 | | 0.05(x)+0.10(10)=0.07(x+10) | | x^6-24x^5+240x^4-1290x^3+3962x^2-6634x+4795=0 |

Equations solver categories