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)
2*(3/x) = x+5 // - x+5
2*(3/x)-x-5 = 0
6*x^-1-1*x^1-5*x^0 = 0
(6*x^0-1*x^2-5*x^1)/(x^1) = 0 // * x^2
x^1*(6*x^0-1*x^2-5*x^1) = 0
x^1
6-x^2-5*x = 0
6-x^2-5*x = 0
DELTA = (-5)^2-(-1*4*6)
DELTA = 49
DELTA > 0
x = (49^(1/2)+5)/(-1*2) or x = (5-49^(1/2))/(-1*2)
x = -6 or x = 1
x in { -6, 1}
x in { -6, 1 }
| 4b^2(x+2)+c(x+2)= | | x-4=144-14x-2 | | x-4=144-14-2 | | 3x+10=4x+2 | | 3a^3*5a^4= | | 2x+1/8-4x-1/4-3x+4/12 | | -7w+40=-5(w-4) | | 18*8/x+45=81 | | -2=-7/w+5 | | 24r^2s^7-6r^2s^3+72r^3s^4=0 | | (2a-8x)/4a-(4a-11x)/4a | | 2=8+3u | | 2x+3x+3x+6x+5x+4x+1x=45 | | 7(6+4x)=182 | | 6x-5/7+8x+2/3=7 | | 18x-15+56x+14= | | 8+1/3X=5 | | x-75=440 | | (17/25)/(3/5-4)/1/5+1/2 | | 17/25/3/5-4/1/5+1/2 | | 0=x^2-12x+36 | | 0=x^2+7x-30 | | 2.5g=1342.50 | | 2.5=1342.50 | | 500+0.35g=2.5g | | -38+2x=6+4(5-8x) | | .75x-15=.50x-13 | | 5=3y-4/8+y+4/2 | | 5=3y*4/8+y+4/2 | | 7/5u-5=-2/3u-4/5 | | 500+.35g=250g | | -5+x/4=-19 |