when working with parentheses, always work inside out. in this case you would evaluate -2-1 then multiply it by -1 then square it then add 4

Tutors, please sign in to answer this question.

Sean B.

Premier NYC Math tutor - young, passionate and talented

New York, NY

4.8
(30 ratings)

Bonnie G.

Elementary Teacher

Brooklyn, NY

5.0
(1 ratings)

Kimberly P.

Get Ready For Next Year With a Principal-Recommended Tutor!

Rego Park, NY

4.8
(28 ratings)