Question

How do i common factor h=-5t^2+10t+15? Please help me!

Answer 1

do you mean factor?
if so , lets break it down,
what factor does 5, 10 and 15 have in common

Answer 2

they can all go into 5

Answer 3

yes!
so lets factor out a 5
and you';; get the following:
tell me if you understand it

Answer 4

i'll factor out a -5 becuz i like the first number poitive, but it doesnt change anything though