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Angelina_Jolie [31]
3 years ago
10

7)

Mathematics
1 answer:
Deffense [45]3 years ago
6 0

Answer:

B

Step-by-step explanation:

a³ + b³ = (a + b)(a² -ab + b²)

27 = 3* 3 * 3 = 3³

64 = 4 * 4 * 4 = 4³

27a³ + 64b³ = 3³a³ + 4³b³

                    = (3a)³ + (4b)³        

                    = (3a + 4b) ( [3a]² - 3a*4b + [4b]²)

                    = (3a + 4b) (9a² - 12ab + 16b²)

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