Question

factories:27x^3+y^3+z^3-9xyz

Answer 1

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Answer 2

Hello dear user!!! ✌️✌️


Here is your answer goes like this :


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Your question :


Factories:27x^3+y^3+z^3-9xyz

Answer:




Consider, 27x3 + y3 + z3 - 9xyz


= (3x)3 + y3 + z3 - 3 × (3x) × y × z

= [3x + y + z ][(3x)2 + y2 + z2 - (3x) × y − y × z − z(3x)]

[Since (a + b + c )(a2 + y2 + z2 - ab−bc−ca)]

= [3x + y + z ][9x2 + y2 + z2 - 3xy − yz − 3zx]

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