Question

Factor the expression. 3r2 – 75

(3r –5)(r + 5)
(3r +5)(r – 5)
3(r – 5)(r + 5)
3(r – 5)(r – 5)

Answer 1

What he said.

Explanation:

Answer 2

factor 3r^2-75

you would move the 3 to the outside of the parenthesis

then you have 5*5 = 25 and multiply that by the 3 to get the 75

3(r-5)(r+5)