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  • 13-10-2020
  • Mathematics
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Qetsiyah4
Qetsiyah4 Qetsiyah4
  • 13-10-2020

Answer:

option 3: 2x²+22xy

Step-by-step explanation:

perimeter of an rectangle = 2(l+b)

= 2{(3x²+5xy)+(6xy–2x²)

= 2(x² +11xy)

= 2x²+22xy

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