Question
Mathematics Question on Addition and Subtraction of Algebraic Expressions
Add the following. a – b + ab, b – c + bc, c – a + ac.
Answer
(a - b + ab) + (b - c + bc) + (c - a + ac)
= a - b + ab + b - c + bc + c - a + ac
= a - a +b - b +c - c + ab + bc + ca
= 0 + 0 + 0 + ab + bc + ca
= ab + bc + ca