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Found in: Page 17


Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

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Short Answer

Evaluate the expression when x=4 and y=2

localid="1648624430882" 1.2(x+3)

The value of the expression is 8.4.

See the step by step solution

Step by Step Solution

Step-1 – Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.

Perform addition and subtraction from left to right

Step-2 – Solve the expression inside grouping symbols

In order to evaluate the given expression, first substitute 4 for x and then simplify the expression inside the parenthesis first.

So, add the numbers inside the parenthesis to get


Step-3 – Multiply and divide from left to right

Now to simplify further, multiply the resulting numbers to get


Thus, the value of the expression is 8.4.

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