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)
28*x^7-(((24*x^3)/4)*x^3) = 0
28*x^7-6*x^6 = 0
28*x^7-6*x^6 = 0
2*x^6*(14*x-3) = 0
14*x-3 = 0 // + 3
14*x = 3 // : 14
x = 3/14
2*x^6 = 0
2*x^6 = 0 // : 2
x^6 = 0
x = 0
x in { 3/14, 0 }
| (x/x+1)*(5x+5/x^2+x) | | x-5=-3/2x+5/2 | | 5y=-55x-40 | | 6(2n+5)=9(7n+9)+3 | | 1/4x-5/2=-2 | | y=4(2x^2+1)-4(2x+1)+2 | | 15x-21=4(2x-4)+7x-5 | | 1/2*7 | | 7x+40=5(x+10) | | x+1.2=.90(x+2) | | 8.2/52.48 | | x+120=.90(x+2) | | .20x+160=.50(200+x) | | [4x-5]=5 | | 8(5x)+2y=-18 | | 11-6y=35 | | 2x+250=1.40(x+500) | | y=-3x^2-6x-7 | | -6x-3(-3x)=6 | | -1/2x+y=4 | | 9(2n+1)=7(9n+8)+8 | | 5/14-1/7 | | .10x+240=.20(400+x) | | 1440=8y+4x | | 3x+2=10x-3 | | -4/5(-5)-3=y | | 2n-10=34 | | 38-7p=3(6-4p) | | -7+5a=-37 | | 9(x+8)+6=11x-2(x-5) | | 4x^3+3x^2+2x=0 | | 86-4l=76-4l |