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)
3/5 = 2.25/x // - 2.25/x
3/5-(2.25/x) = 0
3/5-2.25*x^-1 = 0
-2.25*x^-1 = -3/5 // : -2.25
x^-1 = 0.26666667
-1 < 0
1/(x^1) = 0.26666667 // * x^1
1 = 0.26666667*x^1 // : 0.26666667
3.74999995 = x^1
x = 3.74999995
x = 3.74999995
| 450=(4500)(.075)(t) | | http://media.apexlearning.com/Images/201304/12/9a77ecd6-e56e-47d9-ac0c-983e2d1b0908.gif | | 30a+20s=370 | | 11x-32=90 | | 2x^2=-8+17x | | 2x+7=10x | | 2x^2=-8+17n | | 9c-4-13c+6= | | 3x-7=2(4x+7) | | y=24-(1/20)x | | (7x^2)+x-6=0 | | 24/8=x/6 | | y=24(1/20)x | | 3x*3x+27x=0 | | 2b^2=7b+49 | | 250/50=750/a | | 2x+45=623 | | 15/25=75/y | | W-6/5=8 | | 5n^2=100 | | 7+2y-8x= | | 3b^2=4b+15 | | (7x^2)-x-6=0 | | 9x+2+23+5x-1=180 | | 19x+14y=1984 | | (x^2)+10x-96=0 | | 2x+15+x-10=7x+8 | | 2+24y+6y^2=14 | | (7x^2)-x-8=0 | | 5a^2-33a=-40 | | 11/12-m=2/3 | | 3x+19+10x-23=180 |