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)
13*x+32/x+5 = x+4 // - x+4
13*x-x+32/x-4+5 = 0
12*x^1+32*x^-1+1*x^0 = 0
(12*x^2+1*x^1+32*x^0)/(x^1) = 0 // * x^2
x^1*(12*x^2+1*x^1+32*x^0) = 0
x^1
12*x^2+x+32 = 0
12*x^2+x+32 = 0
DELTA = 1^2-(4*12*32)
DELTA = -1535
DELTA < 0
x in { }
x belongs to the empty set
| -7-6a^2=-2a-8 | | 15y+14=2 | | 5x+6y+20=6y | | -6q^2+16pq+6q^2=0 | | x(y)=35 | | 3y=-2+18 | | -5(1-k)-2=5-(2k+1)(-2) | | 39-6x=22 | | x*x=xy | | x^4-8x^2=0 | | p=2b+2b | | 5y=3y+7 | | 5b=(4/5)b | | x^2-2x+12=5x+12 | | -11-3x=13+7x | | 6x-4=14x-94 | | -7(-14+-y)+6y=20 | | x+(4x+15)=180 | | 6+6(b+2)= | | 811+21= | | -4x-49=0 | | 2B/5-48/8 | | 3/2x=81/15 | | 4*0-8y=-32 | | 11x+8=8x+3 | | 116-3x=15x+20 | | 50=8+a*2 | | a^2-2a-224=8 | | (2x^4)^2/(3x^2)^4 | | (4x^2+32x)/20x | | 16y-8y-49y+343y= | | -X^2+16x-15=0 |