Factorise 27x³ + y² + z³-9xyz
Answers
Answered by
0
Answer:
(3x-y-z)(9x²+y²+z²-3xy-yz-3zx).
Step-by-step explanation:
27x³-y³-z³-9xyz
=(3x)³-y³-z³-3(3x)ys
=(3x-y-z){(3x)²+y²+z²-(3x)y-yz-z(3x)}
=(3x-y-z)(9x²+y²+z²-3xy-yz-3zx).
hope it helps u.
Answered by
0
Answer:
27x3 + y2 + z3 - 9xyz
= ( 9 × 3 × X × 3) + (y +2) + ( z × 3) - ( 9 × X × y × z )
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