Question

Factor the trinomial
4s^2-52s+120

Answer 1

First factor out the 4

Answer 2

4(s^2-13s+30)

Answer 3

Now think of two factors of 30 whose sum is -13

Answer 4

4(s-3)(s-10)

Answer 5

4(s2-13s+30)
4(s2-10s-3s+30)
4s(s-10)-3(s-10)
4(s-3)9s-10)

Answer 6

that is not 9 but is (