2r^2+5r=0

Simple and best practice solution for 2r^2+5r=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 2r^2+5r=0 equation:


Simplifying
2r2 + 5r = 0

Reorder the terms:
5r + 2r2 = 0

Solving
5r + 2r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), 'r'.
r(5 + 2r) = 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 '(5 + 2r)' equal to zero and attempt to solve: Simplifying 5 + 2r = 0 Solving 5 + 2r = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2r = 0 + -5 2r = 0 + -5 Combine like terms: 0 + -5 = -5 2r = -5 Divide each side by '2'. r = -2.5 Simplifying r = -2.5

Solution

r = {0, -2.5}

See similar equations:

| 3y-8y=-6 | | (3x+1)(-x+2)+2(3x+1)=0 | | 8(2l+1)=72 | | 2x^2-42=8x | | -5x=-8/7 | | f-8-3h=3-7f+4 | | 8x-9=7x+6 | | 1/4r=2 | | 10(s-7)=-143 | | -5k^2+2=0 | | 4(x-3)=17 | | e^2-10c=0 | | 3=2x+x^2 | | 7(x-1)=14x-7 | | 4t-3(1-5t)= | | 0,5x+5=x+8 | | 450=X+.1X | | (4/9)-1/2 | | 2(5x-6)=-4 | | (3h-7)(3h-6)= | | 9z^2-7z-4=0 | | 3k^2-9k=-5 | | 3x-8=2x+13 | | 2+5+42= | | -5/3x=-6 | | 3(a-9)=-3 | | 5m+4n=5 | | -5+4+6= | | -2y^2+7y-4=0 | | 5+4+6= | | 5+4-6= | | x^2+y^2+6x-8y-1=0 |

Equations solver categories