Question

the product of (7x-4y) and (3x-7y)
is​

Answer 1

Step-by-step explanation:

(7x ‐ 4y)(3x - 7y)

= 21x² - 49xy - 12xy + 28y

= 21x² - 61xy + 28y

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Answer 2

Answer:

21x∆2-49xy-12xy+28y∆2

21x∆2-61xy+28∆2