How can I factor this:

2a^2 + 19a +42
?
I've been trying to do this for so long but I can't figure it out.
Please explain the answer as well.
The only way I can come up with is trial and error, and I've been trying so long and nothing fits..?

2 answers

figured it out:
(2a+7)(a+6)
Just needed to switch the order around : )
Correct. Good job!
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