Which product should Tomas choose?
Tomas learned that the product of the polynomials (a + b)
(a? - ab + b2) was a special pattern that would result in a
sum of cubes, a + b . His teacher put four products on the
board and asked the class to identify which product would
result in a sum of cubes if a = 2x and b = y.
(2x + y)(2x2 + 2xy - y)
(2x + y)(4x2 + 2xy = y)
(2x + y)(4x2 – 2xy + y)
(2x + y)(2x2 – 2xy + y?
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