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)
390/y = 0
390*y^-1 = 0 // : 390
y^-1 = 0
y należy do O
y belongs to the empty set
| 7=2m | | (2x+12)=90 | | 5a+4+8a-5=90 | | 40=(3w-2)w | | -5=14-(-16n) | | 3(5)+11y=100 | | 4x-1=x-5 | | x-7.5=8.4 | | 1.1=0.2+x | | X^2-4x=x+14 | | 2x-3=-6+2x | | 12=12-n | | -(5-4j)= | | 7(m-2)-4m+5= | | 5a+4=8a-5 | | 3x^2y*2xy= | | (3x+1)(7x-4)= | | 4x-5=3x-6 | | 5a+4+8a-5=180 | | 0=-16t^2+24t+50 | | 9x+5+5x+78=180 | | 8m+28= | | 45c+10d=0 | | 8a-5=51 | | 7.5-2s=28 | | 9-3x-10x+3= | | x-4=-4+x | | -20x^4-5x^3= | | 7(9x+6)= | | 4m^3+m^2-20m-5=0 | | 15--4x=10x+45 | | n-7(n-2)=12 |