Answers

  • Brainly User
2016-07-14T09:53:47+08:00
Volume of cube = (edge)³

Edge = (4x + 2) cm

Volume = (4x + 2)³   ⇒  (4x+2)( (4x+2) (4x+2)

Use the concept of cube of binomial:

(4x)³ + 3(4x)²(2) + 3(4x)(2)² + (2)³

Volume: 64x³ + 96x² + 48x + 8  cm³

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