1.	Simplify (4r - s) - (r + 2s) + (3r - s).
		A.	3r - 2s	B.	6r - 4s
		C.	6r - 3s	D.	8r
		Hint
	2.	Simplify 6g(-3h - 4).
		A.	6gh - 4	B.	-18gh - 24g
		C.	-18gh - 4	D.	-18g - 4
		Hint
	3.	Find (3a - 1)(5a + 6).
		A.	15a2 + 13a - 6
		B.	15a2 + 13a + 6
		C.	15a + 13a -6
		D.	15a2 - 5a - 6
		Hint
	4.	Find (c2 + 2c - 6)(c + 5).
		A.	c3 + 7c2 + 4c - 30
		B.	c3 + 2c2 - 30
		C.	c3 + 2c2 + 5
		D.	c3 + 2c2 - 6c - 30
		Hint
	5.	Factor 8a4b - 3ab2c.
		A.	a2b(8a2 - 3bc)
		B.	ab(8a3 - 3bc)
		C.	8ab(a2 - 3bc)
		D.	abc(8a3 - 3b)
		Hint
	6.	Find (4x2 + 3x) + (7x2 – 5x – 6).
		A.	11x2 – 2x – 6	B.	9x – 6
		C.	11x4 – 2x2 – 6	D.	11x2 – 8x – 6
		Hint
	7.	Find –8x3y2(3xy4 – 2x5 – y).
		A.	–24x4y6 - 16x8y2 + 8x3y3
		B.	–24x4y6 + 16x15y2 + 8x3y3
		C.	–24x4y6 + 16x8y2 + 8x3y3
		D.	–5x4y6 - 10x8y2 - 9x3y3
		Hint
	8.	Factor 54x3y2
		A.	2 · 27 · x · x · x · y · y
		B.	23 · 3 · x · x · x · y · y
		C.	2 · 33 · x · x · y · y · y
		D.	2 · 33 · x · x · x · y · y
		Hint
	9.	Factor 4y2 – 3y – 1.
		A.	(2y + 1)(2y – 1)	B.	(4y – 1)(y + 1)
		C.	prime	D.	(4y + 1)(y – 1)
		Hint
	10.	Factor 3ty3 – 48ty.
		A.	3ty(y + 4)(y – 4)	B.
		C.		D.
		Hint
	11.	Factor 3ty3 – 48ty.
		A.		B.	3ty(y + 4)(y – 4)
		C.		D.
		Hint
	12.	Factor mn - 2m - 4n + 8.
		A.	(n - 2)(m - 4)	B.	(n - 2)(m + 4)
		C.	(n + 2)(m - 4)	D.	(n + 2)(m + 4)
		Hint
	13.	Factor 4m2 + 2mp + 2mn + np.
		A.	(4m + pp)(m + n)	B.	(m + 2p)(m - 2n)
		C.	(2m + p)(2m + n)	D.	(m - 2p)(m + 2n)
		Hint
	14.	Factor x2 + x - 20.
		A.	(x - 5)(x + 4)	B.	(x + 5)(x + 4)
		C.	(x + 2)(x + 10)	D.	(x + 5)(x - 4)
		Hint
	15.	Factor x2 + 8x + 12.
		A.	(x + 6)(x + 2)	B.	(x - 6)(x - 2)
		C.	(x + 3)(x + 4)	D.	(x - 3)(x - 4)
		Hint
	16.	What is the coefficient of the third term in the polynomial expansion for (a + b)4?
		A.	6	B.	4
		C.	10	D.	5
		Hint
	17.	What is the coefficient of the last term in the polynomial expansion for (a + b)5?
		A.	10	B.	5
		C.	1	D.	6
		Hint
	18.	Factor 6x2 - 5x - 21.
		A.	(6x + 3)(x + 7)	B.	(x - 3)(6x + 7)
		C.	(2x - 3)(3x - 7)	D.	(2x + 3)(3x - 7)
		Hint