0=x^2+2x+12

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


Simplifying
0 = x2 + 2x + 12

Reorder the terms:
0 = 12 + 2x + x2

Solving
0 = 12 + 2x + x2

Solving for variable 'x'.

Combine like terms: 0 + -12 = -12
-12 + -2x + -1x2 = 12 + 2x + x2 + -12 + -2x + -1x2

Reorder the terms:
-12 + -2x + -1x2 = 12 + -12 + 2x + -2x + x2 + -1x2

Combine like terms: 12 + -12 = 0
-12 + -2x + -1x2 = 0 + 2x + -2x + x2 + -1x2
-12 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
-12 + -2x + -1x2 = 0 + x2 + -1x2
-12 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-12 + -2x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(12 + 2x + x2) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(12 + 2x + x2)' equal to zero and attempt to solve:

Simplifying
12 + 2x + x2 = 0

Solving
12 + 2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 2x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + 2x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 2x + x2 = 0 + -12
2x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
2x + x2 = -12

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -12 + 1

Reorder the terms:
1 + 2x + x2 = -12 + 1

Combine like terms: -12 + 1 = -11
1 + 2x + x2 = -11

Factor a perfect square on the left side:
(x + 1)(x + 1) = -11

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| 15=4(2y-8) | | 2x+3-10+7x=20 | | x*31/2=2/7 | | 69x=98 | | -18n+6=-120 | | 20x+30y=48 | | (6x-7)=(7x+5) | | 44-7x=11x+20 | | x:11/3=1/6 | | -5x+20=5x-20 | | -3x+9=-1 | | 5+3c-9=-5 | | 6x-3y+x+9y= | | 10/4y-14=-4 | | 3x+3y+4x-2y= | | x^2+(p-5)x+4p=0 | | 15x+6y=90 | | x/4-1=-3 | | 263-3x=42x+23 | | 12:x=1/4 | | 12n-8-6=62 | | x^2-60x+324=0 | | 5x+6-2x-3= | | 42+-23x=71+25 | | p^2+25-16p=0 | | x^2-60x+648=0 | | x^2-60x-648=0 | | (n/4)-(3/8)=-1/8 | | 10m+4n-5m+10n= | | (7k+2)(3-2k)= | | 12=6x-8 | | 5x^2-7x-9=0 |

Equations solver categories