27 x cube + y cube + Z cube minus 9 x y z factorise
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Answer:
27x³+y³+z³-9xyz
=>(3x)³+(y)³+(z)³-9xyz
=>(3x³)+(y)³+(z)³-3×3X×Y×Z
=>(3x+y+z)(9x²+y²+z²-3xy-yz-3zx)
Hope it will help you
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Step-by-step explanation:
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