Math, asked by bankarsohambgmailcom, 7 hours ago

(2a-5b) bracket spuare

Answers

Answered by karishmarahi

1

Step-by-step explanation:

2a-5b)^2

4a^2 -2×2a×5b + 25b^2

4a^2-20ab+25b^2

Answered by misscutie94

21

Answer:

Question :-

➠ (2a - 5b)²

Formula used :-

➪ (a - b)²

➭ a² - 2ab + b²

Answer :-

➠ (2a - 5b)²

➻ (2a)² - 2 × 2a × 5b + (5b)²

➻ 4a² - 20ab + 25b²

∴ The value of (2a - 5b)² is 4a² - 20ab + b²

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