Factorise: 25(2a - b)²- 8162
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Here is your ans with process and formula i have given it number wise ...
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Answer:
100a² - 100ab + 25b² - 8162
Step-by-step explanation:
25(2a - b)²- 8162
=> 25(2a - b)(2a - b)- 8162
=> 25{2a(2a - b) + (2a - b)(-b)} - 8162
=> 2 5 {4 ²- 2ab + (2a - b)(-b)} - 8162
=> 2 5 {4 ²- 2ab - (2a - b x b) - 8162
=> 2 5 {4 ²- 2ab - (2ab +b (-b) } - 8162
=> 2 5 {4 ²- 2ab - (2a - b²) - 8162
=> 2 5 {4 ²- 2ab - 2a + b²) - 8162
=> 2 5 {4 ²- 4ab + b²) - 8162
=> 100a² - 100ab + 25b² - 8162
Hope it helps u
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