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

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


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

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

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

Solving
37rs + 20r2 + 15s2 = 0

Solving for variable 'r'.

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

Subproblem 1

Set the factor '(5r + 3s)' equal to zero and attempt to solve: Simplifying 5r + 3s = 0 Solving 5r + 3s = 0 Move all terms containing r to the left, all other terms to the right. Add '-3s' to each side of the equation. 5r + 3s + -3s = 0 + -3s Combine like terms: 3s + -3s = 0 5r + 0 = 0 + -3s 5r = 0 + -3s Remove the zero: 5r = -3s Divide each side by '5'. r = -0.6s Simplifying r = -0.6s

Subproblem 2

Set the factor '(4r + 5s)' equal to zero and attempt to solve: Simplifying 4r + 5s = 0 Solving 4r + 5s = 0 Move all terms containing r to the left, all other terms to the right. Add '-5s' to each side of the equation. 4r + 5s + -5s = 0 + -5s Combine like terms: 5s + -5s = 0 4r + 0 = 0 + -5s 4r = 0 + -5s Remove the zero: 4r = -5s Divide each side by '4'. r = -1.25s Simplifying r = -1.25s

Solution

r = {-0.6s, -1.25s}

See similar equations:

| y-3.5=0.65 | | 3(-2+x)=12-6x | | 4x+14-3x=9+3x-5 | | 15-3y=n-1 | | -11X+9Y=-12 | | 5x+-2=2x+3 | | 5u^2-9u-45u+81= | | 7z-1=z+17 | | 38.45=5c+8.50 | | 8x=3x-25 | | (-8)(-8)(-8)= | | 4x+2(y-3)=10 | | 54=-13.5p | | x*x+4x-96=0 | | 7*-7y=5 | | r^2+4r+7r+28= | | 31.50=3.50+r | | -84=-28n | | 4y+(-8y)= | | x*x+8x-3=0 | | 4y=(-8y) | | 47=11.50+c | | 5+z=14 | | 9x^2-45= | | (3x-9)*(3x-9)=12 | | 24=-3c | | 4c-5=2c-13 | | x^2+7x-42=0 | | x^2+10x+600=0 | | (x-6)*(x-6)=16 | | 3x+3y=14-4x | | x*x+5x-24=0 |

Equations solver categories