Answer:
5a²b + 7ab² + 9c + 11a²b - 3ab² - 9c
= (5a²b + 11a²b) + (7ab² - 3ab²) + (9c - 9c)
= 16a²b + 4ab²
ok so basically x=1/2 which is the exact form. and the decimal form is x=0.5 Step-by-step explanation:
