x^2+3x+12=6

Simple and best practice solution for x^2+3x+12=6 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^2+3x+12=6 equation:


Simplifying
x2 + 3x + 12 = 6

Reorder the terms:
12 + 3x + x2 = 6

Solving
12 + 3x + x2 = 6

Solving for variable 'x'.

Reorder the terms:
12 + -6 + 3x + x2 = 6 + -6

Combine like terms: 12 + -6 = 6
6 + 3x + x2 = 6 + -6

Combine like terms: 6 + -6 = 0
6 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + 3x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + 3x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 3x + x2 = 0 + -6
3x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
3x + x2 = -6

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -6 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -6 + 2.25

Combine like terms: -6 + 2.25 = -3.75
2.25 + 3x + x2 = -3.75

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -3.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -3b-6b=9 | | k/-4=-12 | | 48=5x+8 | | 3x-5-7=6 | | 5y+2=3x+6 | | 16y-43=65 | | 7+8y=19 | | -7n+9=29-2n | | 5n+3=-6n | | 30=2t | | 14x-1=1x+7-3x+4 | | -21x=-84 | | 5/14+2/7x=15/42 | | 20t=78t+56 | | r^6/r^-3 | | -x-11=23 | | 5t+10=-2t-6 | | 4a+-1ab=b | | 40*40*40= | | 6-1/6+9=8 | | 2x+4x-2=22 | | 1/3x-8=4x+5 | | 13/15x-7/9=-1/5 | | 6x+3=5x-5 | | -(p+7)=5(p-3) | | 2/3y+7=17 | | 9x^2-12x-36=0 | | -30/2 | | h=3+7t-5t^2 | | 30=x^2 | | -16-(-43)=-16+43 | | 2x^2-60=0 |

Equations solver categories