7z^3+35z^2=168z

Simple and best practice solution for 7z^3+35z^2=168z 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 7z^3+35z^2=168z equation:


Simplifying
7z3 + 35z2 = 168z

Reorder the terms:
35z2 + 7z3 = 168z

Solving
35z2 + 7z3 = 168z

Solving for variable 'z'.

Reorder the terms:
-168z + 35z2 + 7z3 = 168z + -168z

Combine like terms: 168z + -168z = 0
-168z + 35z2 + 7z3 = 0

Factor out the Greatest Common Factor (GCF), '7z'.
7z(-24 + 5z + z2) = 0

Factor a trinomial.
7z((-8 + -1z)(3 + -1z)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor 'z' equal to zero and attempt to solve: Simplifying z = 0 Solving z = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z = 0

Subproblem 2

Set the factor '(-8 + -1z)' equal to zero and attempt to solve: Simplifying -8 + -1z = 0 Solving -8 + -1z = 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 + -1z = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1z = 0 + 8 -1z = 0 + 8 Combine like terms: 0 + 8 = 8 -1z = 8 Divide each side by '-1'. z = -8 Simplifying z = -8

Subproblem 3

Set the factor '(3 + -1z)' equal to zero and attempt to solve: Simplifying 3 + -1z = 0 Solving 3 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1z = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1z = 0 + -3 -1z = 0 + -3 Combine like terms: 0 + -3 = -3 -1z = -3 Divide each side by '-1'. z = 3 Simplifying z = 3

Solution

z = {0, -8, 3}

See similar equations:

| 5-2x=3-2(x+5)-1 | | 9n-17=5n+7 | | 6t+1=6t-8 | | 6t+2=6t-8 | | 16-w^2=0 | | n+3n-6=30 | | z^3-7z^2-8z=0 | | 5-6(7-2x)=15x+35 | | 12=10y-4y | | -9x-22=32 | | z^4=81 | | y+2+5y= | | 4x-7x= | | 7w=-7w | | 2(-2x+3)(4-x)(x+9)=0 | | x^4-34x+255=0 | | 4-6x=-2x+12 | | 29=3a+12 | | 7c-c-2=2 | | x^2+x-4=9 | | .3x+.2x=8 | | 5y-2(y+4)=4 | | 2n^2-4n-8=0 | | 7x=2(x+5) | | 3(x+4)=(x-6)+32 | | 5(n-2)=-15 | | 5n+2n-5=30 | | 1.8r+9=1.5r+15 | | 2x/5-x/3=4 | | -4w^2+8w+32=0 | | 7p+4=4p-2 | | 15=1+2y |

Equations solver categories