If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( p )
p = 0
p = 0
p = 0
p in (-oo:0) U (0:+oo)
5/p = 4/13 // - 4/13
5/p-(4/13) = 0
5/p-4/13 = 0
5*p^-1 = 4/13 // : 5
p^-1 = 4/65
-1 < 0
1/(p^1) = 4/65 // * p^1
1 = 4/65*p^1 // : 4/65
65/4 = p^1
p = 65/4
p = 65/4
| 180=(2x+41)+(6x-3) | | 36+8t=9t+4 | | 63x^2+4x-99=0 | | 43-3g=g+33 | | 36+8t=99t+4 | | 60+50.45p=57.95 | | 3(a-4)=30 | | -4(5-7n)=-20 | | 0.5n^2+0.5n=120 | | -24a+13=56a | | 5+n-6-3n=6-n+1 | | 2x+6(7x-12)=148 | | 3x-4=0.5+7 | | (3.4)x(5.7)= | | 16.08=21.6+q | | 2x^2-7=29 | | 3x^2-9x=12 | | 2y+0=9 | | 5xt=1 | | 4x^2-8=-3 | | 2m-21=-30+m | | 9m+5=-13-3 | | 13=4-8n-8 | | 3x^3-12x+12=0 | | 2x-1=-(4x+9) | | 3.4a-1.7=6.8 | | -17=-7+5(v-5) | | -67-12x=89-6x | | (3.4)x(5.8)= | | 5x-(x+3)=2(9x+18)-5 | | P+3.5=-1.25 | | 9m+5=-13-2 |