Part A: Factor 5x2b2 + 14xb2 - 3b2. Show your work.

Part B: Factor x2 - 18x + 81. Show your work.

Part C: Factor x2 - 121. Show your work.

Part A:

We have the following expression:

5x2b2 + 14xb2 - 3b2

Rewriting we have:

b2 (5x2 + 14x - 3)

b2 (5x-1) (x + 3)

Part B:

We have the following expression:

x2 - 18x + 81

Rewriting we have:

(x-9) (x-9)

(x-9) ^ 2

Part C:

We have the following expression:

x2 - 121

Rewriting we have:

(x-11) (x + 11)