Question

5. Factorise
64x3+27 y 42-36xyz
Please solve this

Answer 1

Answer:

Step-by-step explanation:

Using identity :

a³ + b³ + c³ - 3abc = ( a + b + c) (a² + b² + c² - ab - bc - ca)

a = 4x , b = 7y , c = z

__________

Ans 2

Using identity :

( x + y)³ = x³ + y³ + 3xy( x + y )

x = 3a , y = 5b

Hope it helps you. ☺️☺️☺️☺️

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