(m2 – m – 4) + (m – 5)

(1 point)
Responses

m2 – 2m + 9
m 2 – 2 m + 9

m2 + 2m – 9
m 2 + 2 m – 9

m2 – 2m – 9
m 2 – 2 m – 9

m2 – 9

(m2 – m – 4) + (m – 5)

(1 point)
Responses

m2 – 2m + 9
m 2 – 2 m + 9

m2 + 2m – 9
m 2 + 2 m – 9

m2 – 2m – 9
m 2 – 2 m – 9

m2 – 9

The correct response is m2 - 2m - 9.