Math, asked by moujonai17, 5 hours ago

find question number 3 with step by step explanation, best answer will be marked as brainlest. Thank you

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Answers

Answered by swimmi

1

Step-by-step explanation:

third one or fourth becuase I know both

Answered by harsh1434G

0

Answer:

21x^4 + 5xy^3

Step-by-step explanation:

area of rectangle= L×B

L= 3x^2-5y^2 , B= 7x^2-xy

(3x^2-5y^2) (7x^2-xy)

21x^4+5xy^3

Hope this is helpful

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