giải pt
b. (x-2)^3+(3x-1)(3x+1)=(x+1)^3
c. (10x+3)/12=1+(6+8x)/9
d.3(x-3)/4 +(4x-10,5)/10=3(x+1)/5 +6
e (2x+1)^2/5-(x-1)^2/3=(7x^2-14x-5)/15
f (x^2-10x-29)/1971+(x^2-10x-27)/1973=(x^2-10x-1971)/29+(x^2-10x-1973)/27
g (2x+7)(x-5)(5x+1)=0
h (4x-10)(24+5x)=0
i 3x^2-7x+8=0
Loga
Sinh Học lớp 12
