factorize please
full solution
Attachments:
Answers
Answered by
1
Answer:
Step-by-step explanation:
27x3 + y3 + z3 - 9xyz = (3x)3 + (y)3 + (z)3 - 3(3x)(y)(z)
= (3x + y + z){(3x)2 + (y)2 + (z)2 - (3x)(y) - (y)(z) - (z)(3x)}
(Using identityx3 + y3 + z3 - 3xyz = (x + y + z)(x2 + y2 + z2 - xy - yz - zx)
= (3x + y + z)(9x2 + y2 + z2 - 3xy - yz - 3zx)
Similar questions
History,
7 months ago
Math,
7 months ago
Math,
7 months ago
Computer Science,
1 year ago
Hindi,
1 year ago
English,
1 year ago
Social Sciences,
1 year ago