Math II ~ Mrs. Naylor Handout 11

Math II ~ Mrs. Naylor
Handout 11-2: Multiplying and Factoring
Name _____________________________________________________________
Simplify each product.
1) 7π‘₯(π‘₯ + 4)
2) 3π‘š2 (10 + π‘š)
3) 4π‘₯(2π‘₯ 3 βˆ’ 7π‘₯ 2 + π‘₯)
Find the GCF of the terms of each polynomial.
4) 12π‘₯ + 20
5) 45𝑏 + 27
6) 4π‘₯ 3 + 12π‘₯ βˆ’ 28
Factor each polynomial.
7) 9π‘₯ βˆ’ 6
9) 14π‘₯ 3 βˆ’ 2π‘₯ 2 + 8π‘₯
8) 14𝑛3 βˆ’ 35𝑛2 + 28
10) A circular table is painted yellow with a red square in the middle. The
radius of the tabletop is 6x. The side length of the red square is 3x. What is
the area of the yellow part of the tabletop? Write your answer in factored
form.
Simplify. Write in standard form.
11) βˆ’2π‘₯(5π‘₯ 2 βˆ’ 4π‘₯ + 13)
12) βˆ’5𝑦 2 (βˆ’3𝑦 3 + 8𝑦)
14) 𝑝(𝑝 + 2) βˆ’ 3𝑝(𝑝 βˆ’ 5)
15) 𝑑 2 (𝑑 + 1) βˆ’ 𝑑(2𝑑 2 βˆ’ 1)
13) 10π‘Ž(βˆ’6π‘Ž2 + 2π‘Ž βˆ’ 7)
16) 3𝑐(4𝑐 2 βˆ’ 5) βˆ’ 𝑐(9𝑐)
17) A rectangular wooden frame has side lengths 5π‘₯ and 7π‘₯ + 1. The rectangular opening for a
picture has side lengths 3π‘₯ and 5π‘₯. What is the area of the wooden part of the frame? Write your
answer in factored form. It might be helpful to draw a picture!
18) Describe and correct the error:
Factor each polynomial.
19) 17π‘₯𝑦 4 + 51π‘₯ 2 𝑦 3
20) 9π‘š4 𝑛5 βˆ’ 27π‘š2 𝑛3
21) 31π‘Ž6 𝑏 3 + 63π‘Ž5
22) Factor 𝑛2 + 𝑛. Suppose 𝑛 is an integer. Is 𝑛2 + 𝑛 always, sometimes or never an integer? Justify
your answer.