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D( x )
(75*n^4*x^5*z^9)^2 = 0
(75*n^4*x^5*z^9)^2 = 0
(75*n^4*x^5*z^9)^2 = 0
5625*n^8*x^10*z^18 = 0 // : 5625*n^8*z^18
x^10 = 0
x = 0
x in (-oo:0) U (0:+oo)
((-125*n^3*x^5*z^4)^2)/((75*n^4*x^5*z^9)^2) = 0
25/9*n^-2*z^-10 = 0
x naleu017Cy do R
x in (-oo:0) U (0:+oo)
| 66(6x+0.5)=5x-66 | | X/2-5/6y=1/3 | | y+6=11 | | -95=-3(-7r+1)-8 | | -6n+4n=12 | | y=2x+100 | | 5=2x+3(9x+1) | | 2p+1-8=-9 | | 6-i/2i | | 7-3x-8x=-4 | | 25x^2+56x+4=5 | | 6-3x-8x=-4 | | 5v-9=66 | | 5p-2q=17 | | Y^2+12x-4y-8=0 | | 5p-2q=7 | | (6-x)(4-x)=30 | | 6z-8z+3=0 | | (6-x)x(4-x)=30 | | n-2/2=-7 | | 17.6=2.2*n | | 210=3(-7x-2)-6x | | kx^2+10x-8=0 | | 2p-q=7 | | -4(-7n+5)=1 | | 1/2(x+3)^2=5 | | 0.5x+4=0.75(2x-8) | | 7n=-77 | | -21=56 | | 6-6x+4=4 | | 1/2(x+3)2=5 | | 9x-5y=3 |