math

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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..?

  • math -

    figured it out:
    (2a+7)(a+6)
    Just needed to switch the order around : )

  • math -

    Correct. Good job!

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