Question

(b) (p - q) (p² - 3pq +5g); p = -3, q = -1​

Answer 1

**Disclaimer** Hi there! I assumed the [ 5g ] to be [ 5q ] because it might be errors in typing or images. The following answer will be according to this understanding. Please let me know if it is incorrect and I will modify my answer.

Answer:
`\Large\boxed{10}`

Explanation:

Given expression

`(p-q)(p^2-3pq+5q)`

Given information

`p=-3\\q=-1`

Substitute values into the given expression

`[(-3)-(-1)][(-3)^2-3(-3)(-1)+5(-1)]`

Simplify by multiplication

`[-3+1][9-3(3)-5]`

`[-3+1][9-9-5]`

Simplify values in the bracket

`[-2][0-5]`

`[-2][-5]`

Simplify by multiplication

`\Large\boxed{10}`

Hope this helps!! :)

Please let me know if you have any questions