factorise 25-a²-b²-2ab
Answers
Answered by
226
Hi ,
25 - a² - b² -2ab
= 25 - ( a² + b² + 2ab )
= 5² - ( a + b )²
= ( 5 + a + b ) [ 5 - ( a + b )]
= ( 5 + a + b ) ( 5 - a - b )
I hope this helps you.
:)
25 - a² - b² -2ab
= 25 - ( a² + b² + 2ab )
= 5² - ( a + b )²
= ( 5 + a + b ) [ 5 - ( a + b )]
= ( 5 + a + b ) ( 5 - a - b )
I hope this helps you.
:)
Answered by
21
Answer:(5+a+b) (5-a-b)
Step-by-step explanation:
25-a2-b2-2ab
25-(a2+b2+2ab)
5 2-(a+b) (5-a-b)
Similar questions