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abbiemay2001 abbiemay2001
  • 02-04-2015
  • Mathematics
Answered

expand and simplify (x+7)(x-7)

Verified Answer :

SoapyMcTavish
SoapyMcTavish SoapyMcTavish
  • 02-04-2015

7(x+7)(x-7) is in the form (a+b)(a-b) so it's equal to \(a^{2}- b^{2}\)
Which give us:
(x+7)(x-7) = \(x^{2} - 49\)

Hope this Helps :)

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Panoyin
Panoyin Panoyin
  • 03-04-2015

(x + 7)(x - 7)
x² - 7x + 7x - 49
x² - 49

Answer Link

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