Answer:
Step-by-step explanation:
To factor this, you must first take out the GCF (Greatest Common Factor), that and -147 both have. The terms only have 3 in common, which can be divided with
However, we're still not done since 49 is a perfect square and can be split into 2, like so:
If you're unsure about the final answer, you can multiply it all together to see if you got the original expression.