15r^2+25rs+12rs+20s^2=0

Simple and best practice solution for 15r^2+25rs+12rs+20s^2=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 15r^2+25rs+12rs+20s^2=0 equation:


Simplifying
15r2 + 25rs + 12rs + 20s2 = 0

Reorder the terms:
25rs + 12rs + 15r2 + 20s2 = 0

Combine like terms: 25rs + 12rs = 37rs
37rs + 15r2 + 20s2 = 0

Solving
37rs + 15r2 + 20s2 = 0

Solving for variable 'r'.

Factor a trinomial.
(5r + 4s)(3r + 5s) = 0

Subproblem 1

Set the factor '(5r + 4s)' equal to zero and attempt to solve: Simplifying 5r + 4s = 0 Solving 5r + 4s = 0 Move all terms containing r to the left, all other terms to the right. Add '-4s' to each side of the equation. 5r + 4s + -4s = 0 + -4s Combine like terms: 4s + -4s = 0 5r + 0 = 0 + -4s 5r = 0 + -4s Remove the zero: 5r = -4s Divide each side by '5'. r = -0.8s Simplifying r = -0.8s

Subproblem 2

Set the factor '(3r + 5s)' equal to zero and attempt to solve: Simplifying 3r + 5s = 0 Solving 3r + 5s = 0 Move all terms containing r to the left, all other terms to the right. Add '-5s' to each side of the equation. 3r + 5s + -5s = 0 + -5s Combine like terms: 5s + -5s = 0 3r + 0 = 0 + -5s 3r = 0 + -5s Remove the zero: 3r = -5s Divide each side by '3'. r = -1.666666667s Simplifying r = -1.666666667s

Solution

r = {-0.8s, -1.666666667s}

See similar equations:

| s-48=-15 | | -4(-7xy)= | | 6r^2+15rs+10rs+25s^2=0 | | 19(13q+14)= | | 5-x*2x-3=0 | | =x^7-6x^6-4x^5 | | -4x-8=7x+25 | | 10p-16p=42 | | 14=2t | | -1.2x^2+1.2x+3=0 | | 104-96=26y-30y | | (6x+3)(5x^2+7x+9)= | | p-55=36 | | 16(2)+5x=15 | | 1=r-6 | | -5-25x+40x-10=4x-8x | | 24(2)+5x=15 | | 2m+5n+6m+8n= | | -1+-7x-42-6x=36 | | -1+-7x-42-6x=336 | | (x+6y)(7x+8y)= | | 8-6n+3n=38-84 | | 2(x+2)(x+2)= | | (4x+5y+4)(4x+5y-4)=0 | | 2-1(x+2)=-3(2-x) | | 3(c-4)+8=7+c-11 | | x^2+3y^2=1 | | -7+-4x=9 | | 7z-9=8z-2 | | =12x^3-16x^2+20x | | V=3xa | | -3w+2+4w=-2+5 |

Equations solver categories