Example40 - x + 5) 3. ( x + y )( x 2 xy + y 2 ) The...

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Example 2 Simplify each of the following. 1. (4 x 2 )(3 x 3 ) 2. (–8 a 3 b 2 )(2 a 2 b 2 ) 3 1. (4 x 2 )(3 x 3 ) = (4 × 3)( x 2 x 3 ) = 12 x 5 2. (–8 a 3 b 2 )(2 a 2 b 2 ) 3 = (–8 a 3 b 2 )(8 a 6 b 6 ) = –64 a 9 b 8 To multiply polynomials together, multiply each term in one polynomial by each term in the other polynomial. Then simplify if possible. Example 3 Multiply each of the following. 1. 5 x (3 x 2 – 4 x + 2) 2. (4 x – 2)(3
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Unformatted text preview: x + 5) 3. ( x + y )( x 2 xy + y 2 ) The following shows how each equation is multiplied both horizontally and vertically. Equation (a) done horizontally: Equation (a) done vertically: Equation (b) done horizontally: Equation (b) done vertically: Equation (c) done horizontally: Equation (c) done vertically:...
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This note was uploaded on 11/10/2011 for the course MATH 1310 taught by Professor Staff during the Fall '07 term at Texas State.

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Example40 - x + 5) 3. ( x + y )( x 2 xy + y 2 ) The...

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