Question

(2x + y + 4z)(4x2 + y2 +1622 - 2xy - 4 yz - 8zx)​

Answer 1

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Answer 2

Answer: 8x³ + y³ + 64z³ - 24xyz

Step-by-step explanation:

We know the formula

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

This identity can be used here and the equation can be rewritten as :

(2x)³ + (y)³ + (4z)³ - 3(2x)(y)(4z)

=> 8x³ + y³ + 64z³ - 24xyz

thanks mate if it helped you send me a thanks and please mark as brainliest ;)