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)
5/x+1/2 = 0
5*x^-1 = -1/2 // : 5
x^-1 = -1/10
-1 < 0
1/(x^1) = -1/10 // * x^1
1 = -1/10*x^1 // : -1/10
-10 = x^1
x = -10
x = -10
| (14-8)*9=9m | | 5a^2-3a-2=0 | | x=15+1.5y | | z/4=z/8+4/2 | | (x-1)(x+4)(x-5)=0 | | 5-3(4x-3)=4(2-3x) | | 4=64(0.5)x | | 3/4n+2+1/4n+1 | | 0.3k+1.4=4.2+0.1k | | 2(1.5+-.5y)+3y=1 | | 8x+12y=120 | | 5(x+1)-7(9-x)=14 | | .8k+7=-0.7k+1 | | y^2+5=30 | | 0=-16t^2+32t+240 | | 8x^2+8x-60=0 | | -4a+8=4a | | 5x^2-14x-13=0 | | -6(5r+15)=600 | | 4x^2+4x-60=0 | | X^2-23x+22=0 | | S=.2(300-50) | | -21+5r=54 | | 2c(7c+5)=0 | | A^2-3ab-28b^2=0 | | -3a+9=3a | | 65=.2(w-40) | | (w+9)(w-15)=0 | | 13xy+18xy-20xy= | | 65=.2(w-10)4 | | 1+5y=8x-20 | | 4x+6x-17=2(2x+3x) |