Question

Subtract 4p²q − 3pq + 5pq² − 8p + 7q − 10 from 18 − 3p − 11q + 5pq − 2pq² + 5p²q

Answer 1

The given expressions are in separate rows, with like terms one below the other, and then the subtraction of these expressions is as follows:

   5p²q – 2pq² + 5pq – 11q – 3p + 18
    4p²q + 5pq² – 3pq + 7q – 8p – 10

(–)       (–)       (+)      (–)   (+)    (+)
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   p²q  –  7pq²  + 8pq  – 18q + 5p + 28