Math, asked by arushijoshi21202719, 6 months ago

find the square using identity
(7-3b)
please give whole solution

Answers

Answered by Anjali5869

1

Answer:

Identity = (a-b)² = a² + b² - 2ab

Step-by-step explanation:

(7 - 3b)²
= (7)² + (3b)² - 2×7×3b
= 49 + 9b² - 42b

This is the answer..

I hope it helps you..

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