factorize x^3 - 8y^3 + 27z^3 + 18xyz.
Answers
Answered by
31
x³-8y³+27z³+18xyz
=x³-(2y) ³+(3z) ³+6*3xyz
=(x-2y+3z)³
by using identity i found the answer.
=x³-(2y) ³+(3z) ³+6*3xyz
=(x-2y+3z)³
by using identity i found the answer.
Answered by
17
(x)^3 -(2y)^3 +(3z)^3 -3(x)(-2y)(3z)
= (x-2y+3z)(x^2+(2y)^2+(3z)^2-(x×-2y)-(-2y×3z)-(3z×x)
=
= (x-2y+3z)(x^2+(2y)^2+(3z)^2-(x×-2y)-(-2y×3z)-(3z×x)
=
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