Question

What should be added to the sum of (a + 3b) and (a - 5b) to get the resulting sum as ( 5a - 2b)

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Answer 1

Answer:

5a +3b+(a-2b)+ 3a+5b

=5a+3b+a-2b+ 3a+5b

=5a+a+3a+3b-2b+5b

=9a+6b

=3 (3a+2b).