Question

2(2в² - 6) - 7в(8 - в) + (3в - 4)(-3)

Answer 1

2(2b² - 6) - 7b(8 - b) + (3b - 4)(-3) = 4b² - 12 - 56b + 7b² - 9b + 12 = 11b² - 65b