Question

Expand (3a – 2b)tp the power 3

Answer 1

$\huge{\underline{\underline{\pink{\mathfrak{Answer:}}}}}$

= (3a - 2b )³

= 27a³ - 3 × 9a² × 2b + 3 × 3a × 4b² - 8b³

= 27a³ - 54a²b + 36ab² - 8b³

___________________________

Answer 2

Answer:

(3a−2b)

3

=(3a)

3

−(2b)

3

−3×3a×

2b(3a−2b)

=27a

3

−8b

3

−18ab(3a−2b)

=27a

3

−8b

3

−54a

2

b+36ab

2