Question

Find the square of (7x-3y)​

Answer 1

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Answer 2

Answer:

49x² - 42xy + 9y²

Step-by-step explanation:

(7x  -3y)​²                    

→ [Using identity : (a - b)² = a² - 2ab + b²]

(7x)² - 2(7x)(3y) + (3y)²

49x² - 42xy + 9y²

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