r^2+2r=2+3r

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


Simplifying
r2 + 2r = 2 + 3r

Reorder the terms:
2r + r2 = 2 + 3r

Solving
2r + r2 = 2 + 3r

Solving for variable 'r'.

Reorder the terms:
-2 + 2r + -3r + r2 = 2 + 3r + -2 + -3r

Combine like terms: 2r + -3r = -1r
-2 + -1r + r2 = 2 + 3r + -2 + -3r

Reorder the terms:
-2 + -1r + r2 = 2 + -2 + 3r + -3r

Combine like terms: 2 + -2 = 0
-2 + -1r + r2 = 0 + 3r + -3r
-2 + -1r + r2 = 3r + -3r

Combine like terms: 3r + -3r = 0
-2 + -1r + r2 = 0

Factor a trinomial.
(-1 + -1r)(2 + -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 '(2 + -1r)' equal to zero and attempt to solve: Simplifying 2 + -1r = 0 Solving 2 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1r = 0 + -2 -1r = 0 + -2 Combine like terms: 0 + -2 = -2 -1r = -2 Divide each side by '-1'. r = 2 Simplifying r = 2

Solution

r = {-1, 2}

See similar equations:

| 4(3s+9)=192 | | -3+10y+6=15+12y | | 4x-1=5(x+1) | | -20+2r^2=3r^2+9r | | -3x^2-9x-24=0 | | 6(2l+2)=96 | | 7.6-4.3+11= | | 28=-14u | | -m^2+5m=24-2m^2 | | (u+3)*9=72 | | (9x-34)+(20-x)=90whatisx | | -24+2n^2=3n^2+11n | | 5(p+5)=45 | | 3x^2+15=6 | | (q-9)*3=24 | | -8y+36=11 | | 2.3x=5x-9.99 | | 1000=50(x)-2000 | | 2(8-2n)=40 | | -8+123=-20 | | 58+k=12k+3 | | 7(y-3)-7=-4(-6y+3)-3y | | 2sin^2(t)-sin(2t)-1=0 | | 9y-3=3y+15 | | x-5=3x-21 | | 2x-3x-5=1 | | 5y+14=3y+8 | | 7y=2y+25 | | F(x)=e^3x | | 8r+11=29 | | 7(v-1)=5v+5-2(-7v-3) | | 9x+14=2x+126 |

Equations solver categories