Question

if 2x-3y-4z=0,then find 8xCube-27ycube-64zcube​

Answer 1

Answer:

1

Secondary School Math 5 points

Is 2 x minus 3 Y - 4 Oz is equal to zero then find 8X cube minus 27 y cube minus 64 Z cube

Ask for details Follow Report by Tamilvanan18 04.12.2018

Answers

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MarvelEdge17 Ambitious

Answer:

72xyz

Step-by-step explanation:

Given:

2x - 3y -4z = 0

This can also be written as 2x + (-3y) + (-4z) = 0

As we know, if a+b+c=0 then a³+b³+c³=3abc

So, 8x³-27y³-64z³ = (2x)³+(-3y)³+(-4z)³ = 3(2x)(-3y)(-4z)

= 72xyz