Answer
$(4x+1)(3x+1)$
Work Step by Step
$...=4x\cdot(3x+1)+1\cdot(3x+1)=$
Use the distributive property to factor out the GCF, $(3x+1)$
= $(4x+1)(3x+1)$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.