We know that,a3 + b3 = (a + b) (a2 – a × b + b2)Using this formula, we get= (6x)3 + ()3= (6x + ) [(6x)2 – 6x × + ()2]= (6x + ) (36x2 - + )

Q6 of 274 Page 76

Factorize:

We know that,

a³ + b³ = (a + b) (a² – a × b + b²)

Using this formula, we get

= (6x)³ + ()³

= (6x + ) [(6x)² – 6x × + ()²]

= (6x + ) (36x² - + )

Factorize:

1 + 64x³

Factorize:

16x⁴ + 54x

Factorize:

7a³ + 56b³