5z^3=4z^2+9z

Simple and best practice solution for 5z^3=4z^2+9z 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^3=4z^2+9z equation:


Simplifying
5z3 = 4z2 + 9z

Reorder the terms:
5z3 = 9z + 4z2

Solving
5z3 = 9z + 4z2

Solving for variable 'z'.

Reorder the terms:
-9z + -4z2 + 5z3 = 9z + 4z2 + -9z + -4z2

Reorder the terms:
-9z + -4z2 + 5z3 = 9z + -9z + 4z2 + -4z2

Combine like terms: 9z + -9z = 0
-9z + -4z2 + 5z3 = 0 + 4z2 + -4z2
-9z + -4z2 + 5z3 = 4z2 + -4z2

Combine like terms: 4z2 + -4z2 = 0
-9z + -4z2 + 5z3 = 0

Factor out the Greatest Common Factor (GCF), 'z'.
z(-9 + -4z + 5z2) = 0

Factor a trinomial.
z((-1 + -1z)(9 + -5z)) = 0

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

Subproblem 3

Set the factor '(9 + -5z)' equal to zero and attempt to solve: Simplifying 9 + -5z = 0 Solving 9 + -5z = 0 Move all terms containing z to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -5z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5z = 0 + -9 -5z = 0 + -9 Combine like terms: 0 + -9 = -9 -5z = -9 Divide each side by '-5'. z = 1.8 Simplifying z = 1.8

Solution

z = {0, -1, 1.8}

See similar equations:

| -24=7x-3 | | 4=5x+9 | | 5y^3-245y=0 | | 12y^2+11y+2= | | -17=5y-2 | | 4x-9(x+1)=2.6-5x | | 10y+3=-17 | | 5y+12=-3 | | 3p-5q=38 | | x+x+x+15+x+15=x+12+x+12+x+16 | | 11x^2+64x+45= | | (1-X)(2-x)(115)=4x^2 | | -4+7x=-88 | | 6a+4a-34=3+4a+5 | | 5x-9=12x+5 | | (16x^2-9)(x^2-4)=0 | | 3x-2=4x+13 | | 26-5d=d | | x=4(3.14)y | | 3x^2-4x=3 | | 7h-3=15-2h | | 4-k+3=2(3-2k) | | 5r-3=17+25r | | -5(2x-2)=-20 | | x^2-20=4 | | 7p+15p-21p=95 | | 4x+2(3+2x)=6 | | 5k=2k+9 | | 8(2-2x-4x)+6(7x+8)=28 | | -5-2x=9x+28 | | 3c(7c-3)=0 | | 4*x-1=7*x+2 |

Equations solver categories