How do you factor by grouping: #8st+12t-10s-15#?

Question

1508 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-21T12:34:20

You can try collecting #2s# from the first and third term and #3# from the second and fourth:
#2s(4t-5)+3(4t-5)=#
#(4t-5)(2s+3)#