himikotoga28 himikotoga28
  • 01-04-2021
  • Mathematics
contestada

find the perimeter please ​

find the perimeter please class=

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cad311
cad311 cad311
  • 01-04-2021
add up all the sides
(3x^2-2x-1) + (x^2+1) + (4x+5)
=4x^2 + 2x + 5
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