(2x-3)/5 - x/3 <=2
36*36
(235)^2-(135)^2
2p+q=13
3p-2q=-5
(1 + 0.006)120
1+1
f(g(x))=4x^(2)-2, f(x)=x^(2)-x+3. find g(x)
3n+23<n+41
(x-3)(x-1)find x