What is equivalent to the following expression (3p^2+5pq-q^2)+(p^2+3pq-2q^2)

asked Jan 18, 2019 220k views

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$(3p^2+5pq-q^2)+(p^2+3pq-2q^2)\\\\=3p^2+5pq-q^2+p^2+3pq-2q^2\\\\=(3p^2+p^2)+(5pq+3pq)+(-q^2-2q^2)\\\\=4p^2+8pq-3q^2$

JejeBelfort answered Jan 23, 2019