Answer
$-38$
Work Step by Step
Substitute the given values of the variables to obtain:
$xy-x^2z+yz^2
\\=2(-3)-2^2(-4)+(-3)(-4)^2
\\=-6-4(-4)+(-3)(16)
\\=-6-(-16)+(-48)
\\=-6+16-48
\\=10-48
\\=-38$
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.