If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
((50*x^3)/30)*x^4 = 0
5/3*x^7 = 0 // : 5/3
x^7 = 0
x = 0
x = 0
| 7(x+3)=15x-7 | | -5x+7y=-4 | | 0=2x^2-24x | | 0.05*x=1770 | | X+3x=17 | | 0.5+x=25 | | 0.5=25 | | 5(a+2)-2(8-a)=43 | | 0.04x+0.07(6000-x)=360.00 | | (u+5)(u-9)=0 | | 5.70x+9.30(4x)=1372.80 | | x^2+9=20-9x | | 5x+27(x-4)=52 | | 2.6x+4.1(2x)=2484 | | A-1=-16 | | A=3.14*5 | | S-1/12=23/12 | | -(2x-8)+5=24 | | 6(x-6)+2x=18 | | 11-8x=-41 | | 8x+64=-512 | | 5.80x+4.60(117-x)=598.20 | | 400/11=2/x | | -3+7=5-(8p+6) | | X-8.5=-6.5 | | 2x+3+5x-1=23 | | y^2=2y+3 | | 1=.25(8b+12) | | 5.40x+9.00(163-x)=1229.40 | | -8x=-312 | | 2.4x+4.9(3x)=4275 | | 95/0 |