Work Step by Step
Use: $10x=12x-2x$: $3x^2+10x-8=3x^2+12x-2x-8=3x(x+4)-2(x+4)=(3x-2)(x+4)$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.