r^2-8r=-3r+6

Simple and best practice solution for r^2-8r=-3r+6 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^2-8r=-3r+6 equation:


Simplifying
r2 + -8r = -3r + 6

Reorder the terms:
-8r + r2 = -3r + 6

Reorder the terms:
-8r + r2 = 6 + -3r

Solving
-8r + r2 = 6 + -3r

Solving for variable 'r'.

Reorder the terms:
-6 + -8r + 3r + r2 = 6 + -3r + -6 + 3r

Combine like terms: -8r + 3r = -5r
-6 + -5r + r2 = 6 + -3r + -6 + 3r

Reorder the terms:
-6 + -5r + r2 = 6 + -6 + -3r + 3r

Combine like terms: 6 + -6 = 0
-6 + -5r + r2 = 0 + -3r + 3r
-6 + -5r + r2 = -3r + 3r

Combine like terms: -3r + 3r = 0
-6 + -5r + r2 = 0

Factor a trinomial.
(-1 + -1r)(6 + -1r) = 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 '(6 + -1r)' equal to zero and attempt to solve: Simplifying 6 + -1r = 0 Solving 6 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1r = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1r = 0 + -6 -1r = 0 + -6 Combine like terms: 0 + -6 = -6 -1r = -6 Divide each side by '-1'. r = 6 Simplifying r = 6

Solution

r = {-1, 6}

See similar equations:

| 2N^2-23N=-63 | | 9+-n+-4n= | | 6(2a-b)-15(2a-b)*(2a-b)=3(2a-b)(2-10a+5b) | | 7n+(2n)+8= | | 12x-16-x+1=10 | | 5j+16=-19 | | x=0.25x+16 | | 3x+9+132=180 | | 3x+1=6x+17 | | X+10+100=180 | | 6x-5y=56 | | 9x-6+x+8=42 | | 10x^2-64x-30=0 | | 11x=-40 | | 4x+4x+5=0 | | 845845845845845845=x | | 6.4-2.1(z-2)=8.5 | | 1n+8+1n+8=32 | | 2(d+3)=4d-12 | | 7x+22=78 | | 2y=8y-18 | | -x-2=2x-29 | | x^3+13x^2+55x+75=0 | | -3x+14=29 | | 5x+(2x-3)=16 | | 5x+(2x-3)= | | 3x-5(x-1)=-5x+8(-x+2) | | -(9-7c)=-9+7c | | 2x+21=23 | | 3.5c=5.75 | | (-3x+52)=(4x-4) | | -(20+d)=-20-d |

Equations solver categories