1. ( a + 9 ) ( a - 9 )
2. ( p + q ) ( p - q )
3. ( c + d ) ( c - d )
4. ( 7e + 9f ) (7e - 9f )
5. ( 10g + 11h ) ( 10g - 11h )
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Answer:
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Answers & Comments
1. ( a + 9 ) ( a - 9 )
2. ( p + q ) ( p - q )
3. ( c + d ) ( c - d )
4. ( 7e + 9f ) (7e - 9f )
5. ( 10g + 11h ) ( 10g - 11h )
#CarryOnLearning
Answer: