If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
y/x = 3/8 // - 3/8
y/x-(3/8) = 0
y/x-3/8 = 0
x^-1*y = 3/8 // : y
x^-1 = 3/8/y
-1 < 0
1/(x^1) = 3/8/y // * x^1
1 = x^1*(3/8/y) // : 3/8/y
8/3*y = x^1
x = 8/3*y
x = 8/3*y
| (2c+5d)3=x | | -2y+9=3 | | (2c-5d)3=x | | 3(x+5)-12=9+3x-6 | | graphY-9=0 | | 9*320=16*a | | Y+1=3(x-3) | | B+12=42 | | 9*a=16*320 | | -5x+2(-x+9)=-31 | | K+15=0 | | 557.50+x=3482.50 | | c=346-856 | | 7a+10=2a+10 | | 48.5=x*97 | | 4k^2-8k-3=3-5k^2 | | w-13+2w=131 | | 5x+4x-6+8-6x= | | 0.7n-1.5+7.3k=14.5 | | 3-4x=-8x+12 | | F(x)=x^2-7x+15 | | 15x-1=5x+13 | | 0=5x^2+5x-30 | | y=3x^4-12e^2x^2+12e^4 | | x^2=1056 | | r+7=-9 | | 19u+18u+8u=180 | | -5x+2(-x+9)=31 | | z^2-5z=30 | | -6-5a=-(-2+4a)-8 | | -15=x/2-3 | | 2/5-5 |