If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
64*x^12 < 0
64*x^12 < 0
64*x^12 < 0
64*x^12 < 0
64*x^12 < 0 // : 64
x^12 < 0/64
x^12 < 0
x belongs to the empty set
x in (-oo:+oo)
(64*x^12)^(1/6) = 0
2*x^2 = 0 // : 2
x^2 = 0
x = 0
x = 0
| 1+5x=2(8+4x) | | -23=-7+8x | | 4ln(5x)=7 | | p=-10x^2+750x-9000 | | 2(x*3x)= | | 7/9x=35 | | -3+2x=7(3+2x) | | -17=3+4y | | 3m-m+8=20 | | -5x+4-3x=2+4(x+5) | | 5x^2+6x+108=0 | | 2x/2x-3 | | 2x+3=2x-6 | | 2(3X-2)+2(X)=44 | | 1/5t=13 | | 5y+7=y-1 | | 25555555555555555.6x-3256=70000 | | 5x+7=y-1 | | 1x^2+6x+11=0 | | T^2-8/5t | | 16+1/4(1x+8)=9(1x+2) | | -13(z-2)= | | 7.7+8.1(x)=16.8 | | 200y=15 | | x+2x+3+4x=42 | | 5n-7=11 | | 14=0.75x | | 3x+11=-29-5x | | (5x/2)-5=(2x-7)/9 | | 10x+100=0 | | x^2/-4x | | 1/4(10x-6)-8 |