Question

2pq+3p-12q-15q+7pq-13p

Answer 1

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Explicación paso a paso:

2pq+3p−12q−15q+7pq−13p

=2pq+3p+−12q+−15q+7pq+−13p

=2pq+3p+−12q+−15q+7pq+−13p

=(2pq+7pq)+(3p+−13p)+(−12q+−15q)

=9pq+−10p+−27q