Question

plz help me solving this question if you now the answer then only answer or else don't answer ​

Answer 1

Answer:

JUST ADD THE EXPRESSIONS GIVEN TWO SIDES AND THEN SUBTRACT THE RESULT FROM THE EXPRESSION OF PERIMETER GIVEN.

Answer 2

Answer is "8x³-5x²+18x-17"

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HOPE IT HELPS:)

HOPE IT HELPS:)THANKYOU