1.	Factor 6x3y + 15x2y2 - 3x4y.
		A.	3x2y(2x+ 5y - x2)
		B.	x2y(6x + 15y - 3x2)
		C.	xy(6x2 + 15xy - 3x3)
		D.	3xy(2x2 + 5xy - x3)
		Hint
	2.	Factor 2r3 + 8r2 - 10r completely.
		A.	2r(r2 + 4r - 5)
		B.	2r(r - 1)(r + 5)
		C.	(2r - 1)(r + 5)
		D.	2(r3 + 4r2 - 5r)
		Hint
	3.	Factor m3 - 4m2 + 6m - 24.
		A.	(m - 4)(m2 + 6)
		B.	m(m2 - 4m + 6) - 24
		C.	m2(m - 4) + 6m - 24
		D.	(m + 4)(m2 - 6)
		Hint
	4.	Factor 3ty3 – 48ty.
		A.		B.
		C.	3ty(y + 4)(y – 4)	D.
		Hint
	5.	What is the GCF of
		A.	n	B.	3n
		C.	np	D.	p2
		Hint