samanthamunevar
samanthamunevar samanthamunevar
  • 23-08-2017
  • Mathematics
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I need help with number 12

I need help with number 12 class=

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Banabanana
Banabanana Banabanana
  • 23-08-2017
(r - s)³ + r²
= (-3 - (-4))³ + (-3)²
= (-3 + 4)³ + 9
= 1³ + 9
= 1 + 9
= 10
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