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(-2*x)/(1-x^2) = 0;x
x
6.7;0.3
x/(a+x)
(2)^(4)
6*b-(36*a)-c+6;b-a-c+2;4*b-(16*a)-c-7
| -x^2+4x-72=-2x^2+8 | | 2n-2.5=y | | M+11=85 | | 14-0.2*x=5 | | 7a^2+2a-2=0 | | 2x+1=-33 | | 10+2x=27.6 | | -6x+4=4x+6 | | 12-2x=22.5 | | -25=3x+5 | | 2d=8+22 | | -5a-6=-26 | | f(4/10) | | Y^-5/y^-4 | | 3/8x-3=-9 | | 30x+20=25x+40 | | 10.2-3x=27.6 | | 4a+5=4a+5 | | -4sinx-2=0 | | 4(x-12)^1/3=16 | | 24=21a | | 5/3=120/d | | 3/45=2/x | | b/12=10/4 | | 3=1+m | | X^4+9x^2+256=0 | | 6=y+5y | | 25/3х^2-3=0 | | n-8+6n=-22 | | 5t+6(.7-t)=6 | | 1/3(3.14)(12^2)(20) | | 25x-0=11x-14 |