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Sec 4.3-Focus

Sec 4.3-Focus - – 2(x 6 Multiplying Polynomials page 4.3...

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Multiplying Polynomials page 4.3 - 11 Section 4.3 Focus Exercises 1. Find the product. (You may do these in just one step if you wish.) a) ( 3y 2 )( - 2y 3 ) b) ( - x 4 )( 2x ) c) ( 3ab )( - a 6 b 2 ) d) ( 5y 4 ) 2 e) ( - 3c 2 ) 2 f) ( - p 3 ) 2 g) ( 6a 4 b ) 2 h) ( wxy ) 2 i) ( - 4x 3 y 5 ) 2 2. Find the product. Be sure to write the result in descending order. a) 3y ( 2y 5 y 2 ) b) - 8x 2 ( x 5 + 2x 2 ) c) - a 3 ( - a 3 5 + a ) d) 2x 2 ( 3x 9 + x 3 6x 2 ) 3. Find each product. Combine like terms, and write the answer in descending order.

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Unformatted text preview: – 2)(x + 6) Multiplying Polynomials page 4.3 - 12 4. Find each product. Combine like terms, and write the answer in descending order. a) (4x + 2)(x – 3) b) (9x – 2)(3x + 1) c) (- 2x – 3)(5x – 4) d) (x 2 – 1)(x 2 – 6) e) (4x + 3)(x 2 – 3x – 2) f) (x 2 – 3)(2x + 3 – x 2 ) g) (x – 6)(x + 6) h) (y + 5)(y – 5) i) (2p + 9)(2p – 9) j) (- 4m + 1)(- 4m – 1) k) (4x 2 – 3)(4x 2 + 3) l) (5x 3 – 1)(5x 3 + 1)...
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