Show, without using truth table, that (q p) s and (q s) (p s) are logically equivalent.

note: please type up the answer in the box bellow. You can do so either by using the Insert Equation tool and type up each symbol ( ,,,), or just by copying and pasting those symbols (from anywhere you want) in the box where you need them. Just make sure they show properly.

Any way you decide to write up the answer, make sure you show each line as you modify the statement using the logic laws, do not skip steps.