Question 184130
factor the polynomial completely 

1. 12t+14r+4t 

= 16t + 14r

= 2(8t + 7r)

======================

2.-30w2+w+1

= (6w +1)(-5w + 1)

====================== 

3.5x2-y2-xy2-6y2

= 5x^2 -xy^2 - 7y^2

There is not a lot you can do with this one.
===========================
Cheers,
Stan H.