Algebra IIA
5.5 Worksheet: Factoring PST and DOS
Name _____________________________________
Factor the following difference of squares (DOS).
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9. 64 x −169
2
€
Factor the following difference of squares by taking out a GCF first.
10.
€
6x 2 − 24
11.
€
3x 2 − 27
Factor the following perfect square trinomials (PST).
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Factor the following difference of squares by taking out a GCF first.
21.
€
3x 2 + 12x +12
22.
€
4 x 2 − 24 x + 36