Formula finder

No.12478518 ViewReplyOriginalReport
Find a formula in the style of l*k - l, or l*k, etc just a combination of l and k (whatever u need) that produces the results on right side.
L and K are given and can't be changed. l1 , k1 apply to first eq, l2 k2 to 2nd
But formula should be same for all 3.