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caitie418 caitie418
  • 22-08-2016
  • Mathematics
Answered

2r^2+3s^3-r2+4t^2-r2

Verified Answer :

jaslynx
jaslynx jaslynx
  • 22-08-2016

2r^2 + 3s^3 - r^2 + 4t^2 - r^2 

=3s^3 + 4t^2 

=3(-3)^3 + 4(5)^2 
=-(327) + (425) 
=-81 + 100 
=19

Answer is 19

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