(5z+8)(z+4)=0

Simple and best practice solution for (5z+8)(z+4)=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 (5z+8)(z+4)=0 equation:


Simplifying
(5z + 8)(z + 4) = 0

Reorder the terms:
(8 + 5z)(z + 4) = 0

Reorder the terms:
(8 + 5z)(4 + z) = 0

Multiply (8 + 5z) * (4 + z)
(8(4 + z) + 5z * (4 + z)) = 0
((4 * 8 + z * 8) + 5z * (4 + z)) = 0
((32 + 8z) + 5z * (4 + z)) = 0
(32 + 8z + (4 * 5z + z * 5z)) = 0
(32 + 8z + (20z + 5z2)) = 0

Combine like terms: 8z + 20z = 28z
(32 + 28z + 5z2) = 0

Solving
32 + 28z + 5z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(4 + z)(8 + 5z) = 0

Subproblem 1

Set the factor '(4 + z)' equal to zero and attempt to solve: Simplifying 4 + z = 0 Solving 4 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + z = 0 + -4 Combine like terms: 4 + -4 = 0 0 + z = 0 + -4 z = 0 + -4 Combine like terms: 0 + -4 = -4 z = -4 Simplifying z = -4

Subproblem 2

Set the factor '(8 + 5z)' equal to zero and attempt to solve: Simplifying 8 + 5z = 0 Solving 8 + 5z = 0 Move all terms containing z to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5z = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5z = 0 + -8 5z = 0 + -8 Combine like terms: 0 + -8 = -8 5z = -8 Divide each side by '5'. z = -1.6 Simplifying z = -1.6

Solution

z = {-4, -1.6}

See similar equations:

| 3x+3=-3x-8 | | 3x-6x+6=x-7+13 | | 4v^2+8=200 | | e^3x-1=5e^2x | | 3x+3=-3y-8 | | y^2+y=6 | | 3/7w-11 | | 10x+(2x-4x)=32 | | 4x+2x-4=32 | | -x+2+x=22 | | y-6=-0.25(x+7.5) | | 5(3x-2)-5=5(x-2)+55 | | 2x-7=20-x | | -65π/36 | | 2(x)(x)-13x-7=0 | | 21=3/7w | | 7x^3-252x=0 | | 19x=5(x+3) | | 2/7x−5/6=-2/3 | | 8x+15=35 | | c^2=22c-104 | | 30x+4=25x+14 | | 43=15+x | | X^2-3x+6=5 | | 6-2(x+4)=13-2x | | 2(x=4)/3=12 | | x=435-(x-49) | | [9x+4]-11=-4 | | 2x+5(2x-1)=91 | | (z)(z)+6(z)-7=0 | | 12+3p=27 | | 6=-9+3x |

Equations solver categories