r^3-2r^2-63r=0

Simple and best practice solution for r^3-2r^2-63r=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^3-2r^2-63r=0 equation:


Simplifying
r3 + -2r2 + -63r = 0

Reorder the terms:
-63r + -2r2 + r3 = 0

Solving
-63r + -2r2 + r3 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), 'r'.
r(-63 + -2r + r2) = 0

Factor a trinomial.
r((-7 + -1r)(9 + -1r)) = 0

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 '(-7 + -1r)' equal to zero and attempt to solve: Simplifying -7 + -1r = 0 Solving -7 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1r = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1r = 0 + 7 -1r = 0 + 7 Combine like terms: 0 + 7 = 7 -1r = 7 Divide each side by '-1'. r = -7 Simplifying r = -7

Subproblem 3

Set the factor '(9 + -1r)' equal to zero and attempt to solve: Simplifying 9 + -1r = 0 Solving 9 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1r = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1r = 0 + -9 -1r = 0 + -9 Combine like terms: 0 + -9 = -9 -1r = -9 Divide each side by '-1'. r = 9 Simplifying r = 9

Solution

r = {0, -7, 9}

See similar equations:

| 16x-49=0 | | X+18=-10 | | 4z-9=2x+9 | | 29-X=35 | | 5=1/2(4)+b | | 15p^3qr^2-45pr=0 | | 4z+3=6x+9 | | 2=1/4x | | -1=1/4(-2)+b | | 12=3/5x | | 5x+11=121 | | 81-c=0 | | 4x^2+5x-28xy-35y=0 | | 4x^2+32x-93=0 | | 5x-6y=17fory | | 2zsquared=20 | | 5200*1.3= | | 2x^2+28=x^2+11x | | 3=1/3x | | 4y-7+y+41=7y+40-4y | | -11-X=-5 | | 5y-10+y+54=7y+50-4y | | 2=-3/4(8)+b | | 78.3=2(24)+z | | 6x^2-4xy+12xy-8y^2=0 | | -n^4+12n^3-35n^2+50n-7=0 | | ab^2-ab=x | | 2xsquared-15x-16=-11-24x | | R^2=14 | | x=2y+z | | =x^2-x-5 | | -21=-6+5v |

Equations solver categories