If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( r )
r = 0
r = 0
r = 0
r in (-oo:0) U (0:+oo)
6*((5*r^-2)/(4^4))*r = 0
15/128*r^-1 = 0 // : 15/128
r^-1 = 0
r należy do O
r belongs to the empty set
| 2+(-7)=b | | 7w^2+19w-6=0 | | 6t^2-25+24=0 | | 11(9x+12)= | | 3(x-5)-x=-7 | | 9x+12y+84=0 | | g-9/9=5/9 | | 4(y-(10-y))=6(y+6) | | -3b=6v-3b | | -17=x+(-36) | | -6y-8(4y-6)=8-2(-3-y) | | 6-48/8 | | v/3-16=11 | | 15=4x+2-2x | | 36/x=6 | | 14=8+3u | | 36/6=6 | | 40-1/4= | | X-24+3x+12=180 | | r/2-1=1 | | 2(-1(3y+10))-18=3(6-y) | | 0.6(x+100)=0.65x-305 | | 4a+17=1a-13 | | (-1/5)-(-1/30) | | 19.3=v/96.5 | | .75p=18 | | 70=-6(-2-2z) | | 12a^2-17ab+6b^2=0 | | 5-6(3x-4)=b | | (r+8)(r+5)= | | 9=x/5-14 | | 6x^2-4x+6=4x^2+3x+3 |