44.6k views
2 votes
R^2 -4r -77 = (r + ?)(r + ?)

User Kem Bardly
by
7.3k points

1 Answer

2 votes
R^2 -4r -77 = (r + -11)(r + 7)
or = (r -11)(r + 7)
User Padilla
by
7.7k points