Math, asked by Parithosh07, 11 months ago

a^3 - 125 - 2a + 10​

Answers

Answered by gourirupa
6

Answer: (a - 5)(a² + 5a + 23)

Step-by-step explanation:

a³ - 125 - 2a + 10

⇒ a³ - 5³ - 2a + 10

⇒ (a - 5)(a² + 5a + 25) - 2(a - 5)          [∵ a³ - b³ = (a - b)(a² + ab + b²)]

⇒ (a - 5)(a² + 5a + 25 - 2)                    [taking (a - 5) common]

⇒ (a - 5)(a²  + 5a + 23)

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