5a2 - 7ab + 5b2 from 3ab - 2a2 - 2b2
Answers
Answered by
5
Answer:
10ab - 7a^2 - 7b^2
Step-by-step explanation:
Subtract
3ab - 2a^2 - 2b^2 - ( 5a^2 - 7ab + 5b^2 )
=> 3ab - 2a^2 - 2b^2 - 5a^2 + 7ab - 5b^2
=> 3ab + 7ab -2a^2 -5a^2 -2b^2 -5b^2
=> 10ab - 7a^2 - 7b^2
Answered by
1
Answer:
10ab - 7a^2 - 7b^2
subtract
3ab - 2a^2 - 2b^2 - ( 5a^2 - 7ab + 5b^2 )
=> 3ab - 2a^2 - 2b^2 - 5a^2 + 7ab - 5b^2
=> 3ab + 7ab -2a^2 -5a^2 -2b^2 -5b^2
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=> 10ab - 7a^2 - 7b^2
Step-by-step explanation:
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