Question

Add the following (ü) a-b+ ab, b-c+bc, c-a + ac

Answer 1

$\huge\underbrace\mathbf{Answer}$

Given a-b + ab

b-c + bc

c-a + ac

We have to add these terms

a-b + ab + b-c + bc + c-a + ac

a - b + b - c +c - a + ab + bc + ac (Regrouping same terms)

ab + bc + ac is the answer