Answer
-1932
Work Step by Step
To evaluate, substitute the given values.
$3x^2+2x-y$
=$3(-18)^2+2(-18)-2868$
=$3(-18)^2+2(-18)-2868$
=$3(324)-36-2868$
=$972-36-2868$
=$-1932$
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.