((3x^2)^32x^-4)/ (x^3)^2
43.9 √136.09 =
648*n^2 - 72*n + 1
factorize
what is the mean of 250,280,320,350,730
lnx = alog(10x) , a=?
225000=(20*x)+(80*y)
67x-24y-30z-240=0
-24x+54y-20z=0
-30x-20y+100z=0
128*n^2 + 2528*n + 12481
6/4+8/4
If (4x/2 + x)/5 = 48 then 3x = 240 and so x = 80
