Helphelphelp, Factoring Trinomials

1) a^2b^2 + ab - 6

2) a^2b^2 + 5ab + 6

3) m^2 - mv - 56v^2

4) j^2 - 9jk - 10k^2


PLEEASE PLEASE HELPP ME.
:b i don't get it :o
can someone please help explain?

if your god at this EASY 10 POINTS , because
i do choose best answerr

thankyouthankyou

1) a^2b^2 + ab - 6
(ab-2)(ab+3)
2) a^2b^2 + 5ab + 6
(ab+2)(ab+3)
3) m^2 - mv - 56v^2
(m+7v)(m-8v)
4) j^2 - 9jk - 10k^2
(j-10k)(j+k)

Sorry, it was hard for me to explain how to get answer. Hope this help.