Question
Mathematics Question on Addition and Subtraction of Algebraic Expressions
Add the following.2p2q2 – 3pq + 4, 5 + 7pq – 3p2q.
Answer
2p2q _2 - 3pq + 4, 5 + 7pq - 3p2_q2
= (2p2q2 - 3pq + 4) + (5 + 7pq - 3p2q2)
= 2p2q2 - 3p2q2 - 3pq + 7pq + 4 + 5
= - p2q2 + 4pq + 9