Question

X cube - 64 y cube
what's answer
plz help I want check if I have written my answer right​

Answer 1

Answer:

x³-64y³= (x-4y) {x²+4xy+16y²}

Step-by-step explanation:

x³-64y³

= (x)³ - (4y)³

Using the identity, a³ -b³= (a-b) (a²+ab+b²),

= (x-4y) {x²+4xy+(4y)²}

= (x-4y) {x²+4xy+16y²}

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