r2-5r=r(r+1)

Simple and best practice solution for r2-5r=r(r+1) 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 r2-5r=r(r+1) equation: 



r2-5r=r(r+1)

We move all terms to the left:

r2-5r-(r(r+1))=0

We add all the numbers together, and all the variables

r^2-5r-(r(r+1))=0



We calculate terms in parentheses: -(r(r+1)), so:

r(r+1)

We multiply parentheses

r^2+r

Back to the equation:

-(r^2+r)



We get rid of parentheses

r^2-r^2-5r-r=0

We add all the numbers together, and all the variables

-6r=0

r=0/-6

r=0

See similar equations:

| 8x-1+3x+4+3x+9=x | | 3(x-8)=3x-8x=0 | | 3y^2-8y+13=2y^2 | | -7(2r-3)=105 | | x4+2x3-49x2-98x=0 | | 4x^2-32x+161=0 | | -4(7x-5)=-8x+40 | | 2x+4x+6=28 | | 5n-7=6n-13 | | 9=4n+6 | | 3x-13=x+35 | | 4(u+5)=-2(9u-5)+4u | | 3x+2+2x+x=180 | | 2x²+10=200 | | 65=18x+7 | | (5x-1)(5x-1)=20x^2 | | (5x-1)(5x-1)=20x° | | 9x-27=2x+40 | | m²+8m=-16 | | 13x-4=7x+4 | | 6(4x+3)=-174 | | p^2-7p+11=3p | | 2(x+39)=6x-22 | | 4n+18=5n+18 | | n(n2-6)=n2-n | | 0=-5t^2+21t | | -7x+6=3(x-8) | | 78=77x | | 2x+15=5x-25 | | C+2.5x+3.5x=180 | | 4x^2-37x+161=0 | | 13x-21+x+4=180 |

Equations solver categories