add : 5ab+bc-3ca;3ab-bc+ca;-ab+2ca+8bc please step by step explain
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Step-by-step explanation:
5ab + bc -3ca + 3ab - bc + ca +(-ab) + 2ca +8bc
= 5ab + bc -3ca + 3ab - bc + ca -ab + 2ca +8bc
= 5ab +3ab-ab +bc -bc +8bc -3ca +ca +2ca
= 8ab -ab +8bc -2ca +2ca
= 7ab +8bc
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