Sec 5.6-FocusAns

# Sec 5.6-FocusAns - Prime g(x 4(x – 2 h(x – 2(x – 1...

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Section 5.6 Focus Exercise Answers 1. a) 4x(2x – 3y 2 ) b) 5p 2 (p 3 – 3p 2 + 4) c) - 7m(2m 2 – 1) d) 2xy(x 2 – 2xy – 4y 2 + 1) 2 . a) (3x 2 + 5)(2x – 5) b) (4a + 1)(2a – 3b) c) (4y 2 – 3)(y – 1) d) (a 2 + b)(2a – 5b) 3. a) (3x + 2)(x + 2) b) (2x – 3)(x – 2) c) (3x – 1)(x + 5) d) (3x + 2)(x – 3) 4. a) (x + 5)(x + 1) b) (x – 3)(x + 2) c) (x + 4)(x – 1) d) (x – 3)(x + 1) e) (x + 6)(x – 1) f)
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Unformatted text preview: Prime g) (x + 4)(x – 2) h) (x – 2)(x – 1) i) (x + 10)(x + 1) j) (x – 3) 2 5. a) (x – 6)(x + 6) b) (4w – 1)(4w + 1) c) Prime d) Prime e) (x 2 – 5)(x 2 + 5) f) (3x 3 – 2y)(3x 3 + 2y) 6. a) (x + 10)(x – 2) b) 3p(2p + 3) c) Prime d) a(4a + 49) e) Prime f) x(x 2 + 25) g) (x – 2) 2 h) Prime 7. a) x(x – 8)(x + 1) b) 5(x – 4)(x + 1) c) 3x(2x – 3)(2x + 3) d) (y – 3)(y + 3)(y 2 + 9) e) - 6x(x + 3)(x – 1) f) - 2(3x – 5)(x + 1)...
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