(a)
To Simplify:
(a)
Answer to Problem 1OE
Explanation of Solution
Given:
The expression is :
Calculation:
Use FOIL method:
F represents the multiplication of first terms of each binomial =
O represents the multiplication of the outermost terms of the product =
I represents the multiplication of the innermost terms of the product =
L represents the multiplication of the last terms of each binomial =
Add all the products:
(b)
To Simplify:
(b)
Answer to Problem 1OE
3
Explanation of Solution
Given:
The expression is :
Calculation:
Given:
From part (a),
Comparing equation (1) with (2),
Substitute the values in equation (2),
So,
(c)
To Simplify:
(c)
Answer to Problem 1OE
1
Explanation of Solution
Given:
The expression is :
Calculation:
Given:
From part (a),
Comparing equation (1) with (2),
Substitute the values in equation (2),
So,
Chapter 6 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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