Explanation Given Information: The expression is: 3 x − 2 ( 7 x 2 + 2 x − 1 ) − ( 3 x 2 + 8 x − 2 ) . Formula used: The distributive property, a ( b + c ) = a b + a c If the negative sign is in front of parentheses, then change the sign of each term. − ( a + b − c ) = − a − b + c Calculation: Consider the given expression, 3 x − 2 ( 7 x 2 + 2 x − 1 ) − ( 3 x 2 + 8 x − 2 ) Use the distributive property to multiply − 2 times ( 7 x 2 + 2 x − 1 ) , 3 x − 2 ( 7 x 2 + 2 x − 1 ) − ( 3 x 2 + 8 x − 2 ) = 3 x + ( − 2 ) ( 7 x 2 ) + ( − 2 ) ( 2 x ) + ( − 2 ) ( − 1 ) −

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ISBN: 9780134179018

Author: Jamie Blair, John Tobey Jr., Jeffrey Slater, Jenny Crawford

Publisher: PEARSON

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Chapter 6, Problem 9T

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To calculate: The simplified value of the expression 3x−2(7x2+2x−1)−(3x2+8x−2).

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Chapter 6, Problem 8T

Chapter 6, Problem 10T

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The simplified value of the expression 3 x − 2 ( 7 x 2 + 2 x − 1 ) − ( 3 x 2 + 8 x − 2 ) .

Solution Summary: The author explains how to calculate the simplified value of the expression 3x-2(7x2+2x-1).

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To calculate: The simplified value of the expression 3x−2(7x2+2x−1)−(3x2+8x−2).

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Chapter 6 Solutions