Question 177084
P   =  2y-6xy-3x
2P =  2(2y-6xy-3x), or 4y – 12xy – 6x

Q=4-5y
3Q  = 3(4 – 5y)  or  12  -  15y
2P-3Q   =  4y – 12xy – 6x – (12  -  15y)
=  4y – 12xy – 6x – 12 + 15y
= - 6x + 19y – 12xy – 12 Answer.