Question

Factor the trinomial
r^2-r-6

Answer 1

r(r-1)-6

Answer 2

Simplifying
r2 + -1r + -6

Reorder the terms:
-6 + -1r + r2

Factor a trinomial.
(-2 + -1r)(3 + -1r)

Final result:
(-2 + -1r)(3 + -1r)

Answer 3

This is what I worked out
(r-2)(r+3)