Question

factorise 4asquare-20ab + 2bsquare​

Answer 1

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• 4a² - 20ab + 25b²
• (2a)² - 2*2a*5b + (5b)²
• (2a - 5b)²

Answer 2

4a² - 20ab + 25b²

4a² - 20ab + 25b²

(2a)² - (5b)²