ashmitk
ashmitk ashmitk
  • 09-07-2019
  • Mathematics
contestada

(Free points)

Factorise x³ + 216y³ + 8z³ - 36xyz​

Respuesta :

RonWisley RonWisley
  • 09-07-2019

Answer:

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

Step-by-step explanation:

x³+216y³+8z³-36xyz

x³+(6y)³+(2z)³-3×6×2×xyz

As we know

a³+b³+c³-3abc=(a+b+c)(a²+b²+c²-ab-bc-ca)

Let a=x

b=6y

c=2z

Now.

[x+6y+2z][(x²+(6y)²+(2z)²-x×6y-6y×2z-x×2z]

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

Answer Link
Softballlady2108 Softballlady2108
  • 28-01-2021

Answer:

have a good day

Step-by-step explanation:

you deserve it

Answer Link

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