2(3p-5q+4)-3(5+4p-2q)

2(3p-5q+4)-3(5+4p-2q)
6p-10q+8-15-12p+6q
-6p-4q-7

= 6p – 10q +8 – 15 – 12p + 6q
= – 6p – 4q – 7
di kali pelangi