If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
10/y = 4/9 // - 4/9
10/y-(4/9) = 0
10/y-4/9 = 0
10*y^-1 = 4/9 // : 10
y^-1 = 2/45
-1 < 0
1/(y^1) = 2/45 // * y^1
1 = 2/45*y^1 // : 2/45
45/2 = y^1
y = 45/2
y = 45/2
| an=an-1+2an-2 | | Cos(43)=4/x | | y(x-6y)dx-x(2x-9y)dy=0 | | 8x^2-6x-28x+21= | | 13=w/4-3 | | -(7y+2)-(6y-4)=0 | | x^(1/2)^2^*x=4 | | x^(1/2)^2 | | -4+3v=-13 | | 5(3x+4)=96 | | 4x-2=3(x+3) | | 11a+9=6a+30-2a | | -10=3v-7 | | 15x+1200=30x+500 | | x-2y-3z=12 | | 3x-11+4x=-19+3x | | 9x-(2x+5)=-7x-5 | | -5(2x+5)=-10x+5 | | 3G+3=15g | | (25*x−3*y2)/(35*x5*y4) | | 9x-(2x+5)=-10x+15 | | .10x+.09y=940 | | (25x−3y2)/(35x5y4) | | 8x-57=4x-5 | | -3=-22-y | | X+2=-(x+6) | | x+x(0.02)=5000 | | 9/7a-1/3a | | 9x^3-4x^2+2x+7=0 | | x/9=x-32 | | 8/9=x-32 | | 5=1+f |