際際滷

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Warm-up:  Simplify. 1.  (a+6)(a-3) 2.  (3w+7)(2w +5) 3.  (2y+3)(y 2 +3y-6) 4.  (2b 2 -5b-3)(5b 2 +3b-2)
Answers 1.  a 2 +3a-18 2.  6w 2 +29w+35 3.  2y 3 +9y 2 -3y-18 4.  10b 4 -19b 3 -34b 2 +b+6

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  • 1. Warm-up: Simplify. 1. (a+6)(a-3) 2. (3w+7)(2w +5) 3. (2y+3)(y 2 +3y-6) 4. (2b 2 -5b-3)(5b 2 +3b-2)
  • 2. Answers 1. a 2 +3a-18 2. 6w 2 +29w+35 3. 2y 3 +9y 2 -3y-18 4. 10b 4 -19b 3 -34b 2 +b+6