54r^3-45r^2+9r=

Simple and best practice solution for 54r^3-45r^2+9r= 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 54r^3-45r^2+9r= equation:


Simplifying
54r3 + -45r2 + 9r = 0

Reorder the terms:
9r + -45r2 + 54r3 = 0

Solving
9r + -45r2 + 54r3 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '9r'.
9r(1 + -5r + 6r2) = 0

Factor a trinomial.
9r((1 + -3r)(1 + -2r)) = 0

Ignore the factor 9.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + -3r)' equal to zero and attempt to solve: Simplifying 1 + -3r = 0 Solving 1 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3r = 0 + -1 -3r = 0 + -1 Combine like terms: 0 + -1 = -1 -3r = -1 Divide each side by '-3'. r = 0.3333333333 Simplifying r = 0.3333333333

Subproblem 3

Set the factor '(1 + -2r)' equal to zero and attempt to solve: Simplifying 1 + -2r = 0 Solving 1 + -2r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2r = 0 + -1 -2r = 0 + -1 Combine like terms: 0 + -1 = -1 -2r = -1 Divide each side by '-2'. r = 0.5 Simplifying r = 0.5

Solution

r = {0, 0.3333333333, 0.5}

See similar equations:

| 14-7x=45-14x | | 5(x+3)=16-4x | | 2x+7=-33-8x | | 2(y^2-36)=0 | | (X-2)(x+9)=o | | 2x+9=-11 | | 10x+5=12x^2+6x | | 2y^2-72=0 | | 7x^2-4x-51=0 | | 6x+2(x+7)=46+X | | -32-8x=84-29 | | 7x^2+36x-9=0 | | -4b-8=6t | | 5x^2-x=120 | | -71-2x=6x+5 | | w(x)=-0.01x^2+0.24x+9.36 | | 11-10x=37-17x | | x*x-67=34 | | 5x^2-10x=120 | | 3-[8x-6]=-3 | | 3-7x=2x+30 | | 8x+6=5x-7 | | 7x-2=x+28 | | 15+y/3=6 | | 5x^3-8x^2-5x+2=0 | | 3-[8x-6]=3 | | 8t-33+t^2=0 | | 5x-3(x+1)=2(x+3)-9 | | 6(24x+19)=42-72y | | 2b+2+3b+3-4b-4=5 | | 3x-6+4=6x-24 | | 5-8[-2n]=75 |

Equations solver categories