# 401 3 125 a 402 3216 b answer 2 6 6 36 b bb 403 3 2

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401. 3 125 a 402. 3 216 b Answer: 2 6 6 36 b b b 403. 3 2 54 m 404. 3 81 3 m Answer: 2 3 3 3 9 3 1 x x x 6.4 General Strategy for Factoring Polynomials Recognize and Use the Appropriate Method to Factor a Polynomial Completely In the following exercises, factor completely. 405. 3 2 24 44 x x 406. 4 3 24 9 a a Answer: 3 3 8 3 a a 407. 2 2 16 56 49 n mn m 408. 2 6 25 9 a a Answer:  2 9 3 1 a a 409. 4 2 5 45 u u 410. 4 81 n Answer:  2 9 3 3 n n n
OpenStax 6.5 Polynomial Equations This file is copyright 2017, Rice University. All Rights Reserved. 411. 2 64 225 j 412. 2 5 5 60 x x Answer:  5 3 4 x x 413. 3 64 b 414. 3 125 m Answer: 2 ( 5)( 5 25) m m m 415. 2 2 2 2 5 5 b bc cb c 416. 5 2 2 48 243 x y xy Answer:  2 2 3 4 9 2 3 2 3 xy x x x 417. 2 5 15 90 q q 418. 5 2 3 4 4 u v u v Answer: 2 2 1 1 u u u u 419. 4 10 6250 m 420. 2 60 75 30 x y xy y Answer: Prime 421. 2 2 16 24 9 64 x xy y 6.5 Polynomial Equations Use the Zero Product Property In the following exercises, solve. 422.  3 7 0 a a Answer: 3 7 a a   423.  5 1 6 1 0 b b