15.7.3 Quiz: Polynomial Identities
Question 8 of 10
What is the form of the Difference of Cubes identity?
A. a³ +6³-(a + b)(a² + ab + b)
B. a³-b³-(a - b) (a² + ab-
+ab+b²)
C. 8³-6³ = (a + b) (a² + ab + ²)
OD. a³ + b³ = (a - b)(a² + ab + 8)

1573 Quiz Polynomial Identities Question 8 of 10 What is the form of the Difference of Cubes identity A a 6a ba ab b B aba b a ab abb C 86 a b a ab OD a b a ba class=

Respuesta :

Answer:

[tex]B) ~a^3 -b^3 = (a-b)(a^2 +ab+b^2)[/tex]

Step-by-step explanation:

[tex](a-b)(a^2 +ab+b^2)\\\\=a^3 +a^2b+ab^2-a^2b-b^2 a -b^3\\\\=a^3- b^3[/tex]