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avz2000
avz2000 avz2000
  • 09-12-2015
  • Mathematics
Answered

factor the expression 9x^2-4

Verified Answer :

Exvited
Exvited Exvited
  • 02-01-2016

\(9x^2 - 4 \\ \\ (3x)^2 - 2^2 \\ \\ (3x+2)(3x-2) \\ \\ Answer: \fbox {(3x+2)(3x-2)}\)

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