Question

simplify a(b - c) + c(a + b) + b(c - a)​

Answer 1

$\huge \underline{ \underline{ \bf \purple{Solution :}}}$

$\longrightarrow \: \sf a(b - c) + c(a + b) + b(c - a) \\ \\\longrightarrow \: \sf ab - ac + ac + bc + bc - ab \\ \\\longrightarrow \: \sf ab - ab - ac + ac + bc + bc \\ \\\longrightarrow \: \sf 2bc$

Answer 2

The answer is 2ab
I hope this helps you