1.	Factor 2r3 + 8r2 - 10r completely.
		A.	(2r - 1)(r + 5)
		B.	2(r3 + 4r2 - 5r)
		C.	2r(r2 + 4r - 5)
		D.	2r(r - 1)(r + 5)
		Hint
	2.	Factor x2 + 5x + 6.
		A.	prime	B.	(x + 1)(x + 5)
		C.	(x + 2)(x + 3)	D.	(x + 1)(x + 6)
		Hint
	3.	Factor x2 – 7x + 12.
		A.	(x + 3)(x + 4)	B.	(x + 6)(x + 2)
		C.	(x – 6)(x – 2)	D.	(x – 3)(x – 4)
		Hint
	4.	Factor x2 + 6x – 7.
		A.	(x + 3)(x + 3)	B.	(x – 3)(x – 3)
		C.	(x – 1)(x + 7)	D.	(x + 1)(x – 7)
		Hint
	5.	Factor x2 – 4x – 32.
		A.	(x – 8)(x + 4)	B.	(x + 8)(x – 4)
		C.	(x +16)(x – 2)	D.	(x – 16)(x + 2)
		Hint