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 in <0:+oo)
y^(3/2) = 3*y // - 3*y
y^(3/2)-(3*y) = 0
y^(3/2)-3*y = 0
y^(3/2)-3*y = 0
y*(y^(1/2)-3) = 0
1*y^(1/2) = 3 // : 1
y^(1/2) = 3
y^(1/2) = 3 // ^ 2
y = 9
y = 0
y = 0
y in { 9, 0 }
| (2x+5y)(2x+3y)= | | 2x-3y+9z=27 | | 2x+6+2x+2=90 | | c(3c+6)=0 | | 14+5=-5x-6(-4x+15)+5 | | 1x+11=3x+1 | | (120x-24)=12x | | X^2+1=27 | | 2a(5a-2)=0 | | 7(x-9)=3x+5 | | 10v^2=-80 | | tgx=5 | | 2x-56-90=180 | | 5x+19=2x+10 | | 9/10=9x/70 | | (6x-4)(x-7)=0 | | Y=-2sin(2pix/3) | | n^5/n^2 | | 5y+x=9 | | X+x=79 | | 58+8x+90=180 | | 3a^2+7=34 | | 14=21 | | 1/2x^2=-5 | | 2x+27=22+3x | | 50/60 | | 7x+12=4x+8 | | 2x-128=180 | | x*0.16=20 | | Y=2cot(3x) | | 4-(x-5)=2(1-x) | | 1.5x-4.5forx=9 |