r(11r+3)=8

Simple and best practice solution for r(11r+3)=8 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(11r+3)=8 equation:


Simplifying
r(11r + 3) = 8

Reorder the terms:
r(3 + 11r) = 8
(3 * r + 11r * r) = 8
(3r + 11r2) = 8

Solving
3r + 11r2 = 8

Solving for variable 'r'.

Reorder the terms:
-8 + 3r + 11r2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 3r + 11r2 = 0

Factor a trinomial.
(-1 + -1r)(8 + -11r) = 0

Subproblem 1

Set the factor '(-1 + -1r)' equal to zero and attempt to solve: Simplifying -1 + -1r = 0 Solving -1 + -1r = 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 + -1r = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1r = 0 + 1 -1r = 0 + 1 Combine like terms: 0 + 1 = 1 -1r = 1 Divide each side by '-1'. r = -1 Simplifying r = -1

Subproblem 2

Set the factor '(8 + -11r)' equal to zero and attempt to solve: Simplifying 8 + -11r = 0 Solving 8 + -11r = 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 + -11r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -11r = 0 + -8 -11r = 0 + -8 Combine like terms: 0 + -8 = -8 -11r = -8 Divide each side by '-11'. r = 0.7272727273 Simplifying r = 0.7272727273

Solution

r = {-1, 0.7272727273}

See similar equations:

| 4+2X-3=7x+4-4x | | s^2-4s=16+2s | | a^2+6a-16=0 | | (0.25-0.05)*2= | | (0.25-0.05)= | | 13(t-3)+5t=6(3t+5)-13 | | 4p^2+16p=0 | | 2b+3=0 | | 5p+9=0 | | -(5y+9)-(-4y-4)=-7 | | -6x+9x-9x=-42 | | v(12v+5)=7 | | -16.2-b=25.7 | | 4b^2-7b-28b+49= | | s(9s+1)=8 | | 10y=4y+9+5y | | 6b^2=7b | | -(5y+2)-(-4y-8)=3 | | 48a^2-9=0 | | 2x^2+13=11 | | b^2+27b=0 | | w^2-10w+24=0 | | -6g=30 | | 8x+5y=34 | | 4(6y+2)=-2(5y+18) | | x^2-21=15 | | -6+m=-2 | | -6+m=2 | | 4m-16=9+9m | | -17+10g=-9 | | 6x+2=2x+14 | | p^2+16p=22 |

Equations solver categories