x(x+8)=-16

Simple and best practice solution for x(x+8)=-16 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+8)=-16 equation:


Simplifying
x(x + 8) = -16

Reorder the terms:
x(8 + x) = -16
(8 * x + x * x) = -16
(8x + x2) = -16

Solving
8x + x2 = -16

Solving for variable 'x'.

Reorder the terms:
16 + 8x + x2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + 8x + x2 = 0

Factor a trinomial.
(4 + x)(4 + 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 '(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

Solution

x = {-4, -4}

See similar equations:

| 4/4/5 | | -2w-18=4(w+9) | | 3x+5+6x-4= | | -2(12)-y=8 | | 3p+8Q=3Q+100 | | 2/3b+2/5=62/5 | | 2n+-4+n+9= | | x+12=3x-2 | | 5x+4-2x=4x-7 | | 8.1y+3.26=-1.7-11.2y+18.5y | | 2n-4-n+9= | | 7(u+3)=2u-9 | | 3x-4(-17)=-12 | | 1/(2x)-1/(3t^2)=0 | | 150/15 | | 5(g+8)-7=10 | | 1/2x-1/3t^2=0 | | 14-(5m+5)=3+2m-15 | | -2=2(y-5)+6y | | 85/9-37/9 | | 6x-3(21)=-24 | | 176/40=g-45/40 | | 4(a+2)=2a+16 | | -4.1q+12.61=-5.4q | | 5x+10(x-1)=95 | | 15/0.15 | | x^2/7=w+y | | -6w+3(w+7)=12 | | 6x-3y-3y=-24 | | 3y-1.8=-1.8+3y | | 22/5=g-9/8 | | 84/5+64/5 |

Equations solver categories