Question

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1.ab-bc, bc-ca,ca-ab
2. a-b+ab,b-c+bc,c-a+ac
$\sf\huge\bold\purple\mid\purple{\underbrace{\overline{\textbf{Subtract}}}}$
1.4a-7ab+3b+12 from12a-9ab+5b-3
2.3xy+5yz-7zx from 5xy- 2yz-2zx+10xyz
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Answer 1

Answer:

$\sf\huge\bold\purple\mid\purple{\underbrace{\overline{\textbf{Answer}}}}$