a2-81 chhe Avayv pada
Answers
Answered by
1
Step-by-step explanation:
- a² - 81
- a² + 9a - 9a - 81
- a(a + 9) - 9(a + 9)
- (a - 9) (a + 9) ☑️
Answered by
0
Step-by-step explanation:
- a² - 81
- a² + 9a - 9a -81
- a( a + 9 ) -9( a + 9 )
- ( a - 9 ) ( a + 9 )
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