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Warm-up: Factor completely.

Warm-up: Factor completely. 1. x 2 - 64 2. 100 - a 2 b 2 3. 4x 2 + 25y 2 4. 144 - 9f 2. Warm-up (cont’d). 5. 8t 2 - 98r 2 6. 2yz 4 - 50yz 2. Answers. 1. (x+8)(x-8) 2. (10-ab)(10+ab) 3. prime 4. 9(4-f)(4+f). Answers (cont’d). 5. 2(2t+7r)(2t-7r) 6. 2yz 2 (z+5)(z-5).

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Warm-up: Factor completely.

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  1. Warm-up: Factor completely. • 1. x2 - 64 • 2. 100 - a2b2 • 3. 4x2 + 25y2 • 4. 144 - 9f2

  2. Warm-up (cont’d) • 5. 8t2- 98r 2 • 6. 2yz4 - 50yz2

  3. Answers • 1. (x+8)(x-8) • 2. (10-ab)(10+ab) • 3. prime • 4. 9(4-f)(4+f)

  4. Answers (cont’d) • 5. 2(2t+7r)(2t-7r) • 6. 2yz2(z+5)(z-5)

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