r^4-4r^3-32r^2=0

Simple and best practice solution for r^4-4r^3-32r^2=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 r^4-4r^3-32r^2=0 equation:


Simplifying
r4 + -4r3 + -32r2 = 0

Reorder the terms:
-32r2 + -4r3 + r4 = 0

Solving
-32r2 + -4r3 + r4 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), 'r2'.
r2(-32 + -4r + r2) = 0

Factor a trinomial.
r2((-4 + -1r)(8 + -1r)) = 0

Subproblem 1

Set the factor 'r2' equal to zero and attempt to solve: Simplifying r2 = 0 Solving r2 = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r2 = 0 Take the square root of each side: r = {0}

Subproblem 2

Set the factor '(-4 + -1r)' equal to zero and attempt to solve: Simplifying -4 + -1r = 0 Solving -4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1r = 0 + 4 -1r = 0 + 4 Combine like terms: 0 + 4 = 4 -1r = 4 Divide each side by '-1'. r = -4 Simplifying r = -4

Subproblem 3

Set the factor '(8 + -1r)' equal to zero and attempt to solve: Simplifying 8 + -1r = 0 Solving 8 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1r = 0 + -8 -1r = 0 + -8 Combine like terms: 0 + -8 = -8 -1r = -8 Divide each side by '-1'. r = 8 Simplifying r = 8

Solution

r = {0, -4, 8}

See similar equations:

| (Q-3)*10=12 | | 20=2(6x+7)+6(1+7x) | | (E+5)*6=36 | | 6[8-3x]=30 | | mx^2+12x+9m=0 | | 12-(-x+8)=20 | | -m^2+16m=-8 | | 3(4x+3)=5(x+6) | | 5(5b-3)=0 | | 5(5b-3)=9 | | 8-4x=7x+8 | | -5-(-12m)=m | | 9x-11+(2x-5)-(2x+11)=38 | | 4(-7)+5= | | 5+3x+3x=-7 | | 2x^2+122=24x | | 6x+13=3x+5 | | 4[6x-1]=236 | | x-4y+19i=-5+5xi+2yi | | 15-y=45 | | 3x+5=15+x | | 9y+27=3y-3 | | 10x-y=-13 | | -7[2x+7]=-203 | | 6(2x+1)=7x+11 | | 6x+7+5=47 | | -14x-1=y | | 6+x-2x=2 | | X^2+7xy-30y^2=0 | | sqrt(-7-2k)=sqrt(3k+28) | | 5-x+2=7-x | | 6m=-2 |

Equations solver categories