If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
2*y^2+8*y-10 = 0
2*y^2+8*y-10 = 0
2*y^2+8*y-10 = 0
2*y^2+8*y-10 = 0
DELTA = 8^2-(-10*2*4)
DELTA = 144
DELTA > 0
y = (144^(1/2)-8)/(2*2) or y = (-144^(1/2)-8)/(2*2)
y = 1 or y = -5
y in (-oo:-5) U (-5:1) U (1:+oo)
(y^2+10*y+25)/(2*y^2+8*y-10) = 0
y^2+10*y+25 = 0
y^2+10*y+25 = 0
DELTA = 10^2-(1*4*25)
DELTA = 0
y = -10/(1*2)
y = -5 or y = -5
(y+5)^2 = 0
2*y^2+8*y-10 = 0
2*(y^2+4*y-5) = 0
y^2+4*y-5 = 0
DELTA = 4^2-(-5*1*4)
DELTA = 36
DELTA > 0
y = (36^(1/2)-4)/(1*2) or y = (-36^(1/2)-4)/(1*2)
y = 1 or y = -5
2*(y+5)*(y-1) = 0
((y+5)^2)/(2*(y+5)*(y-1)) = 0
y+5 = 0 // - 5
y = -5
y in { -5}
y belongs to the empty set
| X^2+4-9x=0 | | -15.00+0.39m=50.00 | | -0.5s^2+3s=6 | | 8(y+3)+6-3y= | | 42080=-49x^2+4606x-52000 | | y=7x+5-9x | | X^2+22x=-86 | | 42080=-49x^2+4606-52000 | | 2/(6/5) | | 2/6/5 | | y=x+8-4x | | 16t+8t+24=0 | | y=3x-2+2x | | y=9x+11-5x | | 28=x-13 | | 4x^2-y^2+32x+4y+56=0 | | -2=4+-t | | x^2+25x+60=10+10x | | 9y-25=-33+y | | x=0.5(0)-1.5 | | 17x^2+32x-20=0 | | 1/7+1/5 | | x^2+7x+25=17x+4 | | x=0.5(1)-1.5 | | 1/4(10x-6)=3 | | 9(v+4)-3v=3(2v+4)-20 | | 3v-27=-3(v-1) | | x=0.5y-1.5 | | 2(x-2)=8x+44 | | -16x=31 | | 4(w+6)+5w=-39 | | 1=8u+3(u-7) |