If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( b )
b^2 = 0
b^2 = 0
b^2 = 0
1*b^2 = 0 // : 1
b^2 = 0
b = 0
b in (-oo:0) U (0:+oo)
10*b+3*b-((5*b^2)/(b^2))-10 = 0
10*b+3*b-10-5 = 0
13*b-15 = 0 // + 15
13*b = 15 // : 13
b = 15/13
b = 15/13
| 2.7a=8.73 | | 11(-12z+16)= | | 6x+52+5x+84=180 | | 5/6a=-5/9 | | x/3+10=12 | | -6(10+4k)-2= | | 4x-(2)=22 | | 3(3-5-1)=4(3+3-5) | | 7m^2+8m+2=0 | | 6x41/2 | | n/6=100 | | 5(3x-6)=120 | | (4x-2)=22 | | v/8+15=27 | | x=50+(34/4) | | 24*r^3=81 | | P^2+11x+24=0 | | 3(-9-5x)=-27 | | 18-3x=-18 | | x=50+(74-40/4) | | x+20+10=20+9x | | 2(7x+3)=48 | | 3x+20+3x+100=150 | | (48x^14)^1/4 | | 5x-(5/2)=(7/2) | | a^2-12a+20=0 | | -8-x=5x-68 | | m^3-3m^2-4m+12=0 | | (2a/b^2c^3)^-4 | | 0.17k-0.43=0.25k+0.05 | | 3q-5q=3q+7+5 | | x+1.8=3.8 |