1. Match the polynomial identity to the correct answer.
a. Difference of Squares
(a - b)(a2 + ab + b2)
b. Difference of Cubes
a2 + 2ab + b2
c. Square of a Sum
(a + b)(a? - ab + b2)
d. Sum of Cubes
(a - b)(a + b)

Step-by-step explanation:

Given the expressions all that is required is to expand them (using the distributive property) to see which answers they match up to:

For a:

For b:

For c calculate the square of a sum:

(add like terms) c:

For d:

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step-by-step explanation:

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answer: it is 1: 47 pm