book Maths Puzzle Numerical Ability

how do i simplify this expression?
3xy+8x+yx-7x+8+2y+3z-1+5xyz-y+xyz

Read Solution (Total 0)

book Other Question

1080264388e^.14x=1306313812e^.058x

this ? has to do with populations and im am trying to figure out when the 2 countrys will have the same population. the small numbers are grow x^2 + 3y if x= -1/2 and y= -5/6