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)
a/4 = 12*x^4 // - 12*x^4
a/4-(12*x^4) = 0
a/4-12*x^4 = 0
-12*x^4 = -(1/4*a) // : -12
x^4 = 1/48*a
x^4 = 1/48*a // ^ 1/4
abs(x) = (1/48)^(1/4)*a^(1/4)
x = (1/48)^(1/4)*a^(1/4) or x = -((1/48)^(1/4)*a^(1/4))
x in { (1/48)^(1/4)*a^(1/4), -((1/48)^(1/4)*a^(1/4)) }
| In(x+4)+In(x)=In(x+40) | | 1/10x-3/5y=2/5 | | 3xy-9x^2y+12x^3=0 | | 6r+24=6 | | -(3xy-9)+4(3xy+8)= | | 30(3b-7)=90 | | 3x+x+3/7=4 | | -1a^2-12a-70=0 | | 21.453=4.8-5n+2.9n | | 12m-15=6(2m+5) | | -8x+3y-48=0 | | 17z-12=668 | | 8(3a-6)=9(2a-4) | | (.18y-4)+.06y=.10y-1 | | 5x-3=5+3x | | 2x-9+10=x+6 | | 213+3j=531 | | 4x+8=7x-19 | | 6.408*100000.00= | | 5(n+1)=2(n+7) | | 1.8(r)+9=-5.7(r)-6 | | 2-(5x+10)-2(x-7)=2x+6 | | n/-6+(-29)=-33 | | 4(a+8)=4(a-6) | | 0.4-2+3(s-11)=50 | | -10p=12 | | 19-17=x/-8 | | 5x-3=8x-6 | | 0.2n-6=0.6(n+3) | | -3.5-5.9b-0.1b=-24.5 | | x+5+12=4x+5 | | X+4=10/5 |