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ladyblu35 ladyblu35
  • 02-04-2015
  • Mathematics
Answered

-z2-z-19

Z=-7 what is the answer please

Verified Answer :

Anonymous Anonymous
  • 03-04-2015

\(put\ the\ value\ of\ z=-7\ to\ the\ expression\ -z^2-z-19:\\\\-(-7)^2-(-7)-19=-49+7-19=\boxed{-61}\)

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Panoyin
Panoyin Panoyin
  • 03-04-2015

-z² - z - 19
-(-7)² - (-7) - 19
-(49) + 7 - 19
-49 + 7 - 19
-42 - 19
-61

Answer Link

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