Question

factorise a3 – 27b³ + 2a²b - 6ab2​

Answer 1

Step-by-step explanation:

a

3

−27b

3

+2a

2

b−6ab

2

=(a−3b)(a

2

+a(3b)+(3b)

2

+2ab(a−3b)

=(a−3b)(a

2

+3ab+9b

2

+2ab)

=(a−3b)(a

2

+5ab+9b

2

)

Answer 2

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$\huge\bf{Question:-}$

(a³ - 27b³) + 2a²b - 6ab²

$\huge\bf{Answer:-}$

(a³ - 27b³) + 2a²b - 6ab²

(a)³ - (3b)³ + 2a²b - 6ab²

( a - 3b) ( a² + 3ab + 9b² ) + 2a²b - 6ab²

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