subtract 3a-4ab+15bc+10 from 40a-12ab+8bc
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37a-8ab-7bc is the right answer.
Answered by
1
(40a-12ab+8bc)-(3a-4ab+15bc+10)
40a-12ab+8bc-3a+4ab-15bc-10
4a-3a-12ab+4ab+8bc-15bc-10
a-8ab-7bc-10
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