Question: Make the given changes in the indicated examples of this section, and then solve the resulting problems. In Example 10(b), change {[a (2a 2

Make the given changes in the indicated examples of this section, and then solve the resulting problems.

In Example 10(b), change {[a − (2a2b − a)] + 2b} to {a − [2a2b − (a + 2b)]}.

Data from Example 10(b)

3ab {[a (2ab-a)] 3aba2ab = 3aba+2ab-a =5ab 2a 2b = = -

3ab {[a (2ab-a)] 3aba2ab = 3aba+2ab-a =5ab 2a 2b = = - + 2b} + a + 2b} - 2b = 3ab [a2ab + a] + 2b} remove parentheses remove brackets remove braces

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