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

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


Simplifying
(5z + 4)(5 + -1z) = 0

Reorder the terms:
(4 + 5z)(5 + -1z) = 0

Multiply (4 + 5z) * (5 + -1z)
(4(5 + -1z) + 5z * (5 + -1z)) = 0
((5 * 4 + -1z * 4) + 5z * (5 + -1z)) = 0
((20 + -4z) + 5z * (5 + -1z)) = 0
(20 + -4z + (5 * 5z + -1z * 5z)) = 0
(20 + -4z + (25z + -5z2)) = 0

Combine like terms: -4z + 25z = 21z
(20 + 21z + -5z2) = 0

Solving
20 + 21z + -5z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(5 + -1z)(4 + 5z) = 0

Subproblem 1

Set the factor '(5 + -1z)' equal to zero and attempt to solve: Simplifying 5 + -1z = 0 Solving 5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1z = 0 + -5 -1z = 0 + -5 Combine like terms: 0 + -5 = -5 -1z = -5 Divide each side by '-1'. z = 5 Simplifying z = 5

Subproblem 2

Set the factor '(4 + 5z)' equal to zero and attempt to solve: Simplifying 4 + 5z = 0 Solving 4 + 5z = 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 + 5z = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5z = 0 + -4 5z = 0 + -4 Combine like terms: 0 + -4 = -4 5z = -4 Divide each side by '5'. z = -0.8 Simplifying z = -0.8

Solution

z = {5, -0.8}

See similar equations:

| 5y+8=-2y+30 | | W(x)=20x-(5x+10) | | Ex=8 | | Y/8=11 | | 34343433x-6=10x+8-3434343 | | 4y+3(2y-1)=27 | | X=20/7 | | 20x*2=m | | 3b-20= | | x^3-5x^2+8x-6=0 | | 2(8n+5)(8n-5)=0 | | 3x=48-9y | | =(4-x)2 | | x^3-6x^2+8x-6=0 | | 5x+10x-20=40 | | 0=.06x^2+1.2x-150 | | z^4+1=sqrt(3i) | | 1/3.2=v/33.44 | | 400=8x-0.5 | | 9.1/14/7=1.3/p | | z^4+1=sqrt(3)i | | 400=8x-0.05 | | 4.75/14.25=0.3/n | | 4.5/11.7=1/c | | 48n^2-147=0 | | =(4-x)(4+x) | | X+2=2x+4-12 | | 1.5/3.5=d/21 | | 2=5+7p | | 3x^2+31x-420=0 | | 5/20=r/9 | | 121/16.5=22/z |

Equations solver categories