Respuesta :

To solve the question:

9a x 3 + 8a + 4 -11a

First we will apply the rule of BODMAS

By applying the rules, we will first multiply before adding or subtracting

27a + 8a + 4 - 11a

Then we re-arrange after multiplying

27a + 8a -11a + 4

we will add all the numbers with "a" variable

24a + 4