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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
10*x-(3*x)+3/x-(2/x)+5+5 = 0
10*x-3*x+3/x-2*x^-1+5+5 = 0
7*x^1+1*x^-1+10*x^0 = 0
(7*x^2+10*x^1+1*x^0)/(x^1) = 0 // * x^2
x^1*(7*x^2+10*x^1+1*x^0) = 0
x^1
7*x^2+10*x+1 = 0
7*x^2+10*x+1 = 0
DELTA = 10^2-(1*4*7)
DELTA = 72
DELTA > 0
x = (72^(1/2)-10)/(2*7) or x = (-72^(1/2)-10)/(2*7)
x = (6*2^(1/2)-10)/14 or x = (-6*2^(1/2)-10)/14
x in { (-6*2^(1/2)-10)/14, (6*2^(1/2)-10)/14}
x in { (-6*2^(1/2)-10)/14, (6*2^(1/2)-10)/14 }
| 70/-10 | | 28.5+c=37.5 | | x=7.85 | | Y=4x-11/14 | | 5y+2(6x-y)-3(x-5y-3)-7= | | x=71/2 | | d-6*3.14=-3.14 | | -(3r-5s+7t)-(10s-4r-3t)= | | 3ln(x+4)=9 | | -7*3.14h=98*3.14 | | 70/-1/10 | | -2x-10=-34 | | 5t-5/-10 | | 3x+5+2x=19-3x | | 3y-(27-2x)= | | [27-(x-y)]-[2x-(x-y)]= | | (1/7)/(1-6x) | | -4(x+1)=2(x+20) | | -x+10-8x=17 | | m-1/4=-1/3 | | 25x+18=15x-32 | | 3p+7=5-(12p+3) | | x-2y-(-7x+15y+10z)= | | 1/8=s-3/4 | | f(x+5)=4x+4 | | 7x^2+19-6= | | (x+5)(3x+4)=-8 | | x-2y-(7x+15y+10z)= | | y=7mx-4b | | 1/4p-3=9 | | (x+4)(5x+-1)=16 | | 8x-24+9x+29=90 |