If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
y^4 = 0
y^4 = 0
y^4 = 0
y^4 = 0
x należy do R
x belongs to the empty set
((7*x^4*z)/(y^4))^2 = 0
x belongs to the empty set
| 6x-1=-49 | | 2(2)(-2x^7)= | | -1.5y=9 | | 10+7x-5=8x-3-5x | | -1.5=9 | | (4x-8)+(-6x+7)= | | (9x+15y)+(3x+3y)=180 | | x^6+12x^5+27x^4=0 | | 6x-2=6x+7 | | 2x+3+5=19 | | 7y=42y+120 | | 7y=42y+140 | | 4/2-3=5 | | 2t^3-16t^2=0 | | 2sin((π/4)x)=1 | | 2x(x^2+3x-1)= | | 2b^4-6b^3-20b^2=0 | | 0.1x=6 | | 48b^3+40b^2+168b+140=0 | | 2.5/0.5 | | -2x-21=11-6x | | 1/2(x-2)^2-3=0 | | 5-7x=4x-6 | | 10+x=90 | | x+140=360 | | 13/4(5-6a)-1/4(1/3a-3) | | 1-2(k-8)=-2k+12 | | 3.50X+3.25Y=133.25 | | 0=25t^3+8t-32000 | | 9n+X+M-90=10000 | | -6x-46=-112 | | 3.50X+3.25X=133.25 |