x+3*x^2+2x+4=

Simple and best practice solution for x+3*x^2+2x+4= 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 x+3*x^2+2x+4= equation:


Simplifying
x + 3x2 + 2x + 4 = 0

Reorder the terms:
4 + x + 2x + 3x2 = 0

Combine like terms: x + 2x = 3x
4 + 3x + 3x2 = 0

Solving
4 + 3x + 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'.
1.333333333 + x + x2 = 0

Move the constant term to the right:

Add '-1.333333333' to each side of the equation.
1.333333333 + x + -1.333333333 + x2 = 0 + -1.333333333

Reorder the terms:
1.333333333 + -1.333333333 + x + x2 = 0 + -1.333333333

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
0.000000000 + x + x2 = 0 + -1.333333333
x + x2 = 0 + -1.333333333

Combine like terms: 0 + -1.333333333 = -1.333333333
x + x2 = -1.333333333

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.
 + 0.25 + x2 = -1.333333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -1.333333333 + 0.25

Combine like terms: -1.333333333 + 0.25 = -1.083333333
1.25 + x2 = -1.083333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -1.083333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6(2+v)+36v=10v | | 5x/x=10/x-3 | | ln(x)+2ln(4)=3ln(6)-ln(2) | | 8.25t+2=19.5t+11 | | -31.962=2.9(2.3r-2.8)+2.5r | | 5x^4+x^3= | | x+2fx= | | 72y+48x=13824 | | 10000-(50d)=3000 | | 0.2(3b-15c)6c= | | N-6=6n+14 | | 48x+72y=13824 | | 9n-10n^2+10= | | 100000-(50d)=3000 | | 37.30=fraction | | x^5-3x^4-x^3+5x^2+2x=0 | | -8(k+9)+20k=72+3k | | 8y-56=-3y-45 | | 56=l+24 | | 3/(x-2)=5/((5/3)x-2) | | m=1/4:(0,-2) | | .4-(-2.8)= | | -4.76=1+2.1r-2.4 | | 90y+42=0 | | (10x(-3))(2x)= | | -110+-20y-5y=15 | | 3x-14=2x+20 | | -x+2(2x-1)=4 | | X=2u=4 | | 8y-56=3y-45 | | 1/12x12 | | 1+1.9x+2.7x=-3.6 |

Equations solver categories