x(x+1)=-12

Simple and best practice solution for x(x+1)=-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 x(x+1)=-12 equation:


Simplifying
x(x + 1) = -12

Reorder the terms:
x(1 + x) = -12
(1 * x + x * x) = -12
(1x + x2) = -12

Solving
1x + x2 = -12

Solving for variable 'x'.

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

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

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 1x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + 1x + x2 = 0 + -12

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

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

The x term is 1x.  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.
x + 0.25 + x2 = -12 + 0.25

Reorder the terms:
0.25 + x + x2 = -12 + 0.25

Combine like terms: -12 + 0.25 = -11.75
0.25 + x + x2 = -11.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -11.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6+2p-3=9p+11-6p | | n*4=20 | | 24-18e^2x+3e^4x=0 | | 3y+5y=2 | | x+1(x)=12 | | 3/8x=-1/3 | | x+1(x)*12= | | x+31=51 | | (x*x)11x+28=0 | | (x*x)+4x-12=0 | | y=-1.5x^2 | | N=10(7+N) | | 8+6x=-22 | | -39+8r=5(1+6r) | | -1/5(x+4)=11 | | 8n-33=6n-3(1-4n) | | -2x^2-5x-5=0 | | -1/5(x+2)=-14 | | 28-4p=-4(7+8p) | | x^2-10x-52=0 | | 3+6(6+7x)=4x+39 | | 1/4(x+3)=-7 | | -1x=-6 | | 9+12x=6+x | | -5k-12=-(8+7k) | | 16t^2+64t+3=0 | | 7+14s-6=9s+13-75 | | 12y-4y=2 | | 3-5v=-4(-4v-6) | | -1/2(x+5)=9 | | 2ln(3x)+3=1 | | -1/4(x+1)=2 |

Equations solver categories