Math, asked by aditya851882, 7 months ago

Factorise: 25-a²-b²-2ab​

Answers

Answered by BeStMaGiCiAn14
10

Answer:

( 5 + a + b ) ( 5 - a - b )

Step-by-step explanation:

25 - a² - b² -2ab

= 25 - ( a² + b² + 2ab )

= 5² - ( a + b )²

= ( 5 + a + b ) [ 5 - ( a + b )]

= ( 5 + a + b ) ( 5 - a - b )

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