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-3 = 0
x-3 = 0
x-3 = 0
x-3 = 0 // + 3
x = 3
x in (-oo:3) U (3:+oo)
(x-7)/(x-3) > 0
( x-3 )
x-3 > 0 // + 3
x > 3
( x-7 )
x-7 > 0 // + 7
x > 7
(-oo:3) (3:7) (7:+oo) x-3 - + + x-7 - - +
x in (-oo:3) U (7:+oo)
(-oo:3) U (7:+oo)
| 9x(7-2-3(9-8))= | | x+31=35+2x+8 | | N-2m=2 | | (3+e)*6=24 | | 2x-6=x-5+9 | | 3=x/5x=5 | | (x-12)(5x-6)=0 | | Y-7x=17 | | 4a^2+5a=0 | | 84=-6(1-2n)+6 | | x+4=2x-13+9 | | (64)(-3)= | | 24y-10=14 | | (x+9)(3x-3.6)=0 | | -2x+8y= 2 | | (34)(-11)= | | ax=15+b | | 3(x-1)=2x+22 | | -5x-3y= 30 | | 12x-8=10x-30 | | (x-10)(x-3)=0 | | -75.00+7.5x=0 | | lnx^4+lnx=5 | | -75.00+7.5x=150.00 | | 33322699x(1+0.01)1= | | X/8-10=-2 | | 6(x+3)-2=6x+4 | | 10y=4y+4+5y | | x+31=35-2x+6 | | 5secx+2=12 | | .03x-.04=.02x+6 | | 3w+2t-y+4t-y-2w= |