Answer:
Option 2 is correct.
Step-by-step explanation:
Given the expression 5x(x + 3) + 6(x + 3).
We have to factorize the expression completely.
Expression is
5x(x + 3) + 6(x + 3)
Take the factor (x+3) common from both the terms, we get
(x+3)(5x+6)
Hence, option 2 is correct.
