12r^2+9rs+20rs+15s^2=

Simple and best practice solution for 12r^2+9rs+20rs+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 12r^2+9rs+20rs+15s^2= equation:


Simplifying
12r2 + 9rs + 20rs + 15s2 = 0

Reorder the terms:
9rs + 20rs + 12r2 + 15s2 = 0

Combine like terms: 9rs + 20rs = 29rs
29rs + 12r2 + 15s2 = 0

Solving
29rs + 12r2 + 15s2 = 0

Solving for variable 'r'.

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

Subproblem 1

Set the factor '(4r + 3s)' equal to zero and attempt to solve: Simplifying 4r + 3s = 0 Solving 4r + 3s = 0 Move all terms containing r to the left, all other terms to the right. Add '-3s' to each side of the equation. 4r + 3s + -3s = 0 + -3s Combine like terms: 3s + -3s = 0 4r + 0 = 0 + -3s 4r = 0 + -3s Remove the zero: 4r = -3s Divide each side by '4'. r = -0.75s Simplifying r = -0.75s

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 = {-0.75s, -1.666666667s}

See similar equations:

| y+12=z | | 3m^2+30m^6+30m^4= | | 6x-11y-9y+5x+2= | | -3(k+1)-k-12=-4(k+5)+5 | | 9k^2+3=777 | | b(5px-3c)=a(ax-4) | | 2k^2-5=9k | | (2x-y)-(3x+2y)= | | 25b^2+4=5 | | .5c-10=-4 | | (A+B)(A-B)=(A+B)(A+B) | | 5(3x-4)=6x+7 | | 7a-1=5a+11 | | 2x+7=71 | | -3x=-y+1 | | [2(7.7-7)+0.6]= | | n^2=-10n-16 | | 7p+25=4p+28 | | v^2+5v+9v+45= | | 4(3x-1)-(2x-5)+16=2(3x+1)+(2x-5) | | 15y+3=58 | | -9x-10x= | | y-4=-8(x-1) | | 3x^3+27x^2+9x=0 | | 5[10-(3+4)+1]=14 | | 5Xsquared=75 | | -10x+x= | | 9+5x=17+x | | -5x+150=3+0.05x^2 | | 10x^4-12xy-16y^4= | | -5(-2+n)=-35 | | 2x^2-10x+12x^2= |

Equations solver categories