Math, asked by adityakumar636382, 2 months ago

Factories 25(x+y)² -36(x-2y)²

Answers

Answered by sandhud793

1

= (5 (2x - y))²-(4 (x - 2y))²

= [5(2x-y)-4 (x-2y)] [5 (2x - y) + 4 (x-2y)

= [10x - 5y - 4x + 8y] [10x - 5y + 4x - 8y]

[a²b² = (a - b) (a + b)]

= (6x + 3y) (14x-13y) = 3 (2x + y) (14x-13y)

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