x^2+4x=-8-2x

Simple and best practice solution for x^2+4x=-8-2x 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+4x=-8-2x equation: 


Simplifying
x2 + 4x = -8 + -2x

Reorder the terms:
4x + x2 = -8 + -2x

Solving
4x + x2 = -8 + -2x

Solving for variable 'x'.

Reorder the terms:
8 + 4x + 2x + x2 = -8 + -2x + 8 + 2x

Combine like terms: 4x + 2x = 6x
8 + 6x + x2 = -8 + -2x + 8 + 2x

Reorder the terms:
8 + 6x + x2 = -8 + 8 + -2x + 2x

Combine like terms: -8 + 8 = 0
8 + 6x + x2 = 0 + -2x + 2x
8 + 6x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
8 + 6x + x2 = 0

Factor a trinomial.
(4 + x)(2 + x) = 0


Subproblem 1
Set the factor '(4 + x)' equal to zero and attempt to solve:

Simplifying
4 + x = 0

Solving
4 + x = 0

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

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

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

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

Simplifying
x = -4

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 = {-4, -2}

See similar equations:

| x^2+y^2=113 | | 5t^2+12t-1=0 | | 5t^2+12t-1=0 | | 5/9*4/5 | | 14x-7x=35 | | 18-3n=x | | 5/9+4/5 | | 7=9+0 | | 1=9 | | a+7=a^2-25 | | 4u^2-9u-7=0 | | 15x+15=11x-25 | | 3y+5y=-16 | | 4x=2(x+48) | | 6x+2y=-2 | | 4/x-2+5/2-x | | 18y^6-16y^5/2y^2 | | 3/4m=21 | | 5/9-4/5 | | x(x)+8x+4=7 | | 9/8-3/4 | | 18000=x+0.8x | | 3/4*3/2 | | (3x+7)(x-6)=6x+14 | | 4x+1=x+12 | | m/3-m=6 | | -2(-1+2x)=-22 | | -3/5x+18=3x | | a+4a+4= | | 3t+9-6= | | 5+566= | | 3t=9-6 |

Equations solver categories