Question

23 . Factorise : a) 25x2– 36y2

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Answer 1

(5x)2 - (6y)2

(5x - 6y)2

(5x- 6y) ( 5x - 6y)

hope it's help ✌✌

Answer 2

Answer:

${25x}^{2} - {36y}^{2} \\ \\ = ( {5x)}^{2} - ( {6y})^{2} \\ \\ = (5x + 6y)(5x - 6y) \\ \\ formula \: used \\ \\ {a}^{2} - {b}^{2} \\ \\ = (a + b)(a - b)$

hope it helps uh :)