Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Join our platform to connect with experts ready to provide detailed answers to your questions in various areas. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

If a₁ = a + 2a +3 and d₂ = 2a + a + 1, what is the value of 2 (d1- d2)?