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  • 14-08-2017
  • Mathematics
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Please solve and show step by step
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Please solve and show step by step Best answer get rewarded class=

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Banabanana
Banabanana Banabanana
  • 14-08-2017
b² - 4ac
= 8² - 4*(-2)*(-9)
= 64 - 72
= -8
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