Question

(7a-3b)²find and tell me fast ​

Answer 1

Step-by-step explanation:

(7a-3b)² = 49a² + 9b² - 42ab

Answer 2

hey matr here is your answer:-

(7a)²+(3b)²-2×7a×3b

49a²+9b²-42ab

I hope it's help you....

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