1.	Factor 20a4b2 - 15ab + 30a2b
		A.	a2b(20a2b - 15 + 30a)
		B.	5ab(4a3b - 3 + 6a)
		C.	5(4a4b2 - 3ab + 10a2b)
		D.	5a2b(15a2b - 10 + 25a)
		Hint
	2.	Factor xy – 6 + 2y – 3x.
		A.	(x + 2)(y – 3)	B.	(xy – 3x) + (2y – 6)
		C.	(x – 2)(y – 3)	D.	x(y – 3) + 2(y – 3)
		Hint
	3.	An expression for the area of a rectangle is xy – 2x + 3y – 6. Express this area in factored form.
		A.	(x – 2)(y + 3)	B.	(x + 3)(y – 2)
		C.	x(y – 2) + 3(y – 2)	D.	(xy – 2x)( 3y – 6)
		Hint
	4.	Solve 5x2 – 10x = 0.
		A.	x = 0 or x = -2	B.	x = 2
		C.	x = 0 or x = 2	D.	x = 0
		Hint
	5.	What is the factored form of the polynomial 23x2 – 69x?
		A.	23x(x + 3)	B.	23x(x2 + 3)
		C.	23x(x – 3)	D.	23x(x2 – 3)
		Hint