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)
-12/p = 3 // - 3
-12/p-3 = 0
-12*p^-1 = 3 // : -12
p^-1 = -1/4
-1 < 0
1/(p^1) = -1/4 // * p^1
1 = -1/4*p^1 // : -1/4
-4 = p^1
p = -4
p = -4
| ((120*2x)/2)=4x | | 5(2x-4)-9x=6 | | 3s-4=14 | | 2y^2-y+53=(y+5)(y+5) | | 7x-4y+12=0 | | 2(d-5)=18 | | 7(4y-9)= | | g^6+12g^3+36=0 | | 4a+27=9n-8 | | 2v^2+9v-10=(v+2)(v+2) | | 7c^2-21c+14=0 | | 4z-16=2+2 | | 2(w-20)=-16 | | 2x^2+23x+67=(x+7)(x+7) | | p^2-16pq+63q^2=0 | | 2x^2+23x+67=0 | | 3d+9e+7d+7e= | | 3x-2=7x-6 | | 3(2n-1)+7n= | | 7+2b=2(4b+7)+5 | | 3.(x+2)=15-2x | | 2a^2+15=11a | | -5k+24=49 | | 3(x+2)=15-2x | | sqrt(16x)-sqrt(9y)=1 | | 4x-6=x+7 | | 8h-15=1 | | 2016x^3-x^2+2x-3=0 | | -.5(32)*x^2+160x=336 | | 4r+10=22 | | 7=1-g/-2 | | 3x-15+4x=7 |