Concept explainers
a.
To simplify: the expression “
a.
Answer to Problem 1WE
Explanation of Solution
Given:
The expression:
Concept Used:
While solving the expressions, first perform the operations within the grouping symbol. Then start from the left and perform the multiplication or division as it appears in the expression on going towards right. After that again start from the left and perform the additions or subtractions as it appears in the expression on going towards right.
Consider the given expression,
As there is no grouping symbol, so the order of operations is used.
So, first perform the multiplication, so the expression becomes:
Lastly perform addition,
b.
To simplify: the expression “
b.
Answer to Problem 1WE
Explanation of Solution
Given:
The expression:
Concept Used:
While solving the expressions, first perform the operations within the grouping symbol. Then start from the left and perform the multiplication or division as it appears in the expression on going towards right. After that again start from the left and perform the additions or subtractions as it appears in the expression on going towards right.
Consider the given expression,
As there is a grouping symbol, so first perform the operation within the parenthesis which is addition.
Lastly perform multiplication,
Chapter 1 Solutions
Algebra: Structure And Method, Book 1
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