Explanation Given: The expression is − 3 x { x [ x − x ( 2 − x ) ] − ( x + 2 ) ( x 2 − 3 ) } . Definition used : Order of Operations Multiplication and division precede addition and subtraction, and taking powers precedes multiplication and division. “Remove parentheses ( ) first, then brackets [ ], and finally braces { }, if present”. Calculation: By using the above mentioned definition, simplify the term − 3 x { x [ x − x ( 2 − x ) ] − ( x + 2 ) ( x 2 − 3 ) } as follows. − 3 x { x [ x − x ( 2 − x ) ] − ( x + 2 ) ( x 2 − 3 ) } = − 3 x { x [ x −

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ISBN: 9780135961438

Author: Barnett

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Chapter A.2, Problem 50E

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The simplified form of the expression −3x{x[x−x(2−x)]−(x+2)(x2−3)}.

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Chapter A.2, Problem 49E

Chapter A.2, Problem 51E

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The simplified form of the expression − 3 x { x [ x − x ( 2 − x ) ] − ( x + 2 ) ( x 2 − 3 ) } .

Solution Summary: The author explains the simplified form of the expression -3xleft, x+2right, and taking powers, which precedes addition and subtraction.

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The simplified form of the expression −3x{x[x−x(2−x)]−(x+2)(x2−3)}.

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Chapter A.2 Solutions