75 3 (- 6n 5 July 8, 2019 16 32 64 128 75 3 (- 6n 5 answer 75 3 (- 6n 5 step by step 75 3 (- 6n 5 solve step by step 75 3 (- 6n 5 solve 75 3 left (- 6n 5 right