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.

Rachalie B.

K-8 HW Helper & Math Tutor

Elmont, NY

4.9
(66 ratings)

Daniel B.

Experienced Harvard Grad For SAT Prep and K-6 Reading

Teaneck, NJ

5.0
(81 ratings)

Jennifer C.

Experienced Educator Specializing in Test Prep and Enrichment

Brooklyn, NY

5.0
(74 ratings)