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/2 = 0
P/2 = 0
P/2 = 0
1/2*P = 0 // : 1/2
P = 0
P in (-oo:0) U (0:+oo)
5/(P/2) = 45 // - 45
5/(P/2)-45 = 0
10*P^-1 = 45 // : 10
P^-1 = 9/2
-1 < 0
1/(P^1) = 9/2 // * P^1
1 = 9/2*P^1 // : 9/2
2/9 = P^1
P = 2/9
P = 2/9
| (2s-3)(2s+3)=0 | | 5n^2-25n-70=o | | 3x=-10+x | | u/-9=-12 | | -8(t-5)-(t+1)=7 | | 10.9/100 | | (2x^-2y)/(14x^10y^-5) | | 1+2(x-9)=4-9(x-3) | | x/(9/4)=(1/2)/(1/5) | | 7700/623 | | 5x-7/3-4=-8 | | 18x-0=-18 | | x/4=800/100 | | x/(8/3)=(21/20)/(7/2) | | (2x-9)(2x+9)=0 | | x/(3/2)=(21/2)/(9/2) | | 7-(8+3x)=5x-73 | | 6+2(x-5)=7-9(x-2) | | 7-3G=2 | | 7x+6=x^3 | | 5n^2+27n-18=0 | | log[5](7x+6)=3log[5](x) | | a^3+b^3=5 | | .015=.25Q-.44 | | 3(x+2)=24-3x | | 4y+3=-4-5y | | 5n-7=43 | | 4+(x+1)=4 | | (-7)=2x+8 | | 4/5x450 | | (u/5)=(u/6)=(6/5) | | (19b-2)-9(2b+1)=-3 |