Math, asked by vermamayank956, 5 months ago

using identity find (7x-8)²

Answers

Answered by edumaina
1

Answer:

49x² + 64 - 112x

Step-by-step explanation:

Using the identity

(x-y)² = x² + y² - 2xy

  • = (7x)² + (8)² + 2(7x)(8)
  • = 49x² + 64 - 112x
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