r^2-7r=0

Simple and best practice solution for r^2-7r=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^2-7r=0 equation:


Simplifying
r2 + -7r = 0

Reorder the terms:
-7r + r2 = 0

Solving
-7r + r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), 'r'.
r(-7 + r) = 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 + r)' equal to zero and attempt to solve:

Simplifying
-7 + r = 0

Solving
-7 + r = 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 + r = 0 + 7

Combine like terms: -7 + 7 = 0
0 + r = 0 + 7
r = 0 + 7

Combine like terms: 0 + 7 = 7
r = 7

Simplifying
r = 7
Solution
r = {0, 7}

See similar equations:

| 3+3=2x+41 | | 163-2x=25x+16 | | 8-8x=128-29x | | -y^2=4y-23 | | y^2=-2y+8 | | 10u+-2u= | | 4t^2-5t=0 | | 2x*2+-8x*2= | | 5c+25=85 | | 2y^3-9y^2-5y=0 | | 4ab-3a=0 | | 2a*2b*3+2a*3b*2-6a*3b*3+2a*2= | | 4ab+b=5 | | -2y*2+9y*2= | | x^2-4x+8= | | W-8+34=26+8 | | 4ln(6x)=12 | | 12x-x(-4x)= | | -7xy-9-(-4xy)= | | 122-2x=34x+22 | | -2y^2-11y=-6 | | 6(2x-3)-(5x+2)=-2(4x+1) | | 12uv-(-6w)-7uv= | | X^3-10x^2+10=0 | | 6-9x=18-16x | | 8ef+2a-5ef= | | y=3(3)-4 | | -12abc+2abc-8= | | y=-x^2-18x+90 | | -2xy+2-4xy-(-13)= | | -136-10x=7x+17 | | 7ab-6ab= |

Equations solver categories