Question

(r^2 -5r- 2)(-r^2 +6r-6)

Answer 1

Same as the last question.

Answer 2

im confused by the r^2 and -r^2

Answer 3

do they cancel

Answer 4

You're multiplying not adding. They don't cancel.

Answer 5

@brit3 \[r^2 = r*r\]\[-r^2 = -r*r\]so when you multiply those first terms together, you are forming \[(-r*r)*(r*r) = -r*r*r*r = -r^4\]