Question

1- 27 a3 factorize each of the following
answer me​

Answer 1

Answer:

1.-27

27 -1

answer = -26

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Answer 2

Answer:

( 1 - 3a ) ( 1 + 3a ) ( 1 + 3a ).

Step-by-step explanation:

1- 27a³

(1)³-(3a)³

{ a³-b³ = (a-b)(a²+ab+b²) }

(1)³-(3a)³ = ( 1 - 3a ) ( 1² + (1)(3a) + (3a)² )

( 1 - 3a ) ( 1² + (1)(3a) + (3a)² )

( 1 - 3a ) ( 1² + 3a + 9a² )

( 1 - 3a ) ( 1 + 3a + 9a² )

( 1 - 3a ) ( 1 + 3a + 9a² )

( 1 - 3a ) ( 1 + 3a ) ( 1 + 3a ).