Answer
$3x^2-4x$
Work Step by Step
Combine like terms to obtain:
$=3x^2+(5x-10x+x)$ (group like terms)
$\\=3x^2+(5-10+1)x$ (factor out x)
$\\=3x^2+(-4)x
\\=3x^2-4x$
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.