Question

Factories 3y cube + 36xyz

Answer 1

Answer:

Step-by-step explanation

Use the identify

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

Here a= x , b = (-3)y,c = (-4)z

SO given expression is factorised as :

[x + (-3y) + (-4z)] [ x2 + (-3y)2 + (-4z)2 - x(-3y) - (3y) (-4z) - (-4z)x