Math, asked by helium836452, 9 months ago

factorise the following expression ​

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Answered by Anonymous
1

 = 16 {(2x - 1)}^{2}  - 25 {y}^{2}  \\  =  {(4(2x - 1))}^{2}  -  {(5y)}^{2} \\ =  {(8x - 4)}^{2}  -  {(5y)}^{2}  \\  = (8x - 4 + 5y)(8x - 4 - 5y)

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