Plzzzzzzzzz give me answer fasttttttttttttt or fullll sum solve krna only answer mtt likna plzzzzzx
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Answer:
perimeter=8x²+42+2x
Step-by-step explanation:
perimeter= sum of three sides
= (x²+20)+(2x²+6x+7)+(5x²-4x+15)
=x²+20+2x²+6x+7+5x²-4x+15
=x²+2x²+5x²+20+7+15+6x-4x
=8x²+42+2x
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