? =)(= Active Member Joined Jul 14, 2021 Messages 654 Gender Male HSC 2023 Jan 12, 2022 #1 Prove the statement: a-c is a divisor of ab+cd =>a-c is a divisor of ad+bc.
jimmysmith560 Le Phénix Trilingue Administrator Joined Aug 22, 2019 Messages 4,826 Location Krak des Chevaliers Gender Male HSC 2019 Uni Grad 2022 Jan 12, 2022 #2 Would this help?
