
Concept explainers
(a)
The addition of algebraic expression
(a)

Answer to Problem 6T
The addition of expression
Explanation of Solution
Given:
The algebraic expression is
Calculation:
Addition of given algebraic expression is,
Thus, the addition of expression
(b)
The multiplication of algebraic expression
(b)

Answer to Problem 6T
The multiplication of expression
Explanation of Solution
Given:
The algebraic expression is
Calculation:
Multiplication of given algebraic expression is,
Thus, the multiplication of expression
(c)
The multiplication of algebraic expression
(c)

Answer to Problem 6T
The multiplication of expression
Explanation of Solution
Given:
The algebraic expression is
Calculation:
Special product formula for algebraic expression is,
The algebraic expression shows that sum and difference of same terms so use special product formula.
Substitute
Thus, the multiplication of expression
(d)
The square of a sum of algebraic expression
(d)

Answer to Problem 6T
The square of a sum of expression
Explanation of Solution
Given:
The algebraic expression is
Calculation:
Special product formula of square of sum for algebraic expression is,
Substitute
Thus, the square of a sum of expression
(e)
The cube of a sum of algebraic expression
(e)

Answer to Problem 6T
The square of a sum of expression
Explanation of Solution
Given:
The algebraic expression is
Calculation:
Special product formula of cube of sum for algebraic expression is,
Substitute
Thus, the square of a sum of expression
Chapter 1 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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