Math, asked by abhijaychavan07, 3 months ago

Factorise: 25x² − 1 − 2y − y²

Answers

Answered by XxKARAN777xX

1

Answer:

$(5x−y)(5x+y)$

Step-by-step explanation:

$25x2−y2 \\ =(5x)2−y2 [∵a2−b2=(a−b)(a+b)] \\ (5x−y)(5x+y) \\$

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