(x*x)+2x=0

Simple and best practice solution for (x*x)+2x=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 (x*x)+2x=0 equation: 


Simplifying
(x * x) + 2x = 0

Multiply x * x
(x2) + 2x = 0
x2 + 2x = 0

Reorder the terms:
2x + x2 = 0

Solving
2x + x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x = 0

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

Simplifying
2 + x = 0

Solving
2 + x = 0

Move all terms containing x to the left, all other terms to the right.

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

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

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

Simplifying
x = -2
Solution
x = {0, -2}

See similar equations:

| g-1.7=-0.9 | | -17-x=2(4x-4) | | 6v+5(1-6v)=-26+7v | | u^2-12u-12=0 | | 3k^2+4=49 | | 3(1+x)-5=3x-2 | | 10=k^11 | | 1/3+5/8= | | 3x^2-16x+1=0 | | 7+6p=6p-7(p+5) | | -5(v-2)=20-7v | | a-3b=0 | | -10-2x=3(-8+4x) | | 2u^2-10u-3-u^2-2u-9=0 | | 7-3(x+12)=2(-9x-11)+8 | | -3m+18=-2(1+4m) | | -3m+18=-2(1+4) | | 24x+18-35x-15=0 | | -9a=36 | | 3(r-3)-7=-5-(2r+1) | | -11-11(4+2x)=-11(x+4) | | -3(x-5)+4=4-2(x-1) | | -x+12=3-3x+2 | | 11(m-6)= | | -2-7n+2n=13 | | x+32+3x=36 | | 12x+6(3+12x)=-6(1-10x) | | -5-6t+3t=34 | | (2x-3)(x+4)=6 | | 11(x-6)=-9(5-2x) | | 6x-(x-8)= | | 7h+4k-7(5h-3k)= |

Equations solver categories