1.

5t^2-10t-15

Answer» ?
5t2-10t-15 =5(t2- 2t-3 ) =5 (t2 - 3t + t - 3) =5 [t(t-3) +1(t-3)] = 5 (t+1) (t-3) ?
(t+1) (t-3)


Discussion

No Comment Found