using column method add ab+2bc+-ca and 2ab - bc -ca and subtract 4ab+5bc-3ca
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Question ⬇
❥ Using column method add ab + 2bc + -ca and 2ab - bc - ca and subtract 4ab + 5bc - 3ca
Answer ⬇
❥ Step 1 : Add ab + 2bc + -ca and 2ab - bc - ca
ab + 2bc - ca
2ab - bc - ca
_____________________
3ab + bc - 2ca
❥ Step 2 : Subtract 4ab + 5bc - 3ca from 3ab + bc + 2ca
4ab + 5bc - 3ca
2ab + bc + 2ca
_____________________
6ab + 6bc - ca
❥Hence, the answer after subtracting is 6ab + 6bc - ca
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