3x^2+12x+22=0

Simple and best practice solution for 3x^2+12x+22=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+12x+22=0 equation:


Simplifying
3x2 + 12x + 22 = 0

Reorder the terms:
22 + 12x + 3x2 = 0

Solving
22 + 12x + 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'.
7.333333333 + 4x + x2 = 0

Move the constant term to the right:

Add '-7.333333333' to each side of the equation.
7.333333333 + 4x + -7.333333333 + x2 = 0 + -7.333333333

Reorder the terms:
7.333333333 + -7.333333333 + 4x + x2 = 0 + -7.333333333

Combine like terms: 7.333333333 + -7.333333333 = 0.000000000
0.000000000 + 4x + x2 = 0 + -7.333333333
4x + x2 = 0 + -7.333333333

Combine like terms: 0 + -7.333333333 = -7.333333333
4x + x2 = -7.333333333

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -7.333333333 + 4

Reorder the terms:
4 + 4x + x2 = -7.333333333 + 4

Combine like terms: -7.333333333 + 4 = -3.333333333
4 + 4x + x2 = -3.333333333

Factor a perfect square on the left side:
(x + 2)(x + 2) = -3.333333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| H=16t^2+90t | | 4(y+8)=4(3y-14) | | 0=x^2-10.1-198x | | 2w^2=-14w | | log[5](4x-7)=0 | | -7x^2+7x+1=0 | | 0=x^2-10.1-198 | | 4x+2x+10=180 | | 3x-18=-72 | | 3x-18=-17 | | (8+v)(5v+6)=0 | | (x+m)2-(x+n)2=(m-m)2 | | 2-3a=9-2(2a+6) | | .7(3.75)-2= | | -3x^2+2x-4=0 | | n=1.75n+4 | | y^2+35y=884 | | 0=5+2(-4x) | | .7d+1=1.5d-2 | | .75n+4=n | | 6x=3x+13 | | 4x+4x=2x+36 | | 4p^10+9w^2= | | X^2-5=36 | | .4(92)+.4(90)+.2(x)=90 | | (6x-y)(6x-y)(6x-y)(6x-y)(6x-y)= | | -29t-4(1-8t)=-11 | | 9x+5x-3x+5=38 | | a+.50=2a+0.6 | | w^2-6w-135=0 | | 4x+10x=14x | | 8x+14=2x-3 |

Equations solver categories