Question

• add [2p²q² - 3pq + 4] and [5 + 7pq - 3p²q²]

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Answer 1

Step-by-step explanation:

hello users .........

we have to add :

(2 p²q² - 3pq +4 ) and ( 5 + 7pq  - 3 p²q²)

solution:-

(2 p²q² - 3pq +4 ) + ( 5 + 7pq  - 3 p²q²)

=(2 p²q² - 3pq +4 + 5 + 7pq  - 3 p²q²)

=(2 p²q² - 3 p²q²) + ( 7 pq - 3 pq ) + (4 + 5 )

= - p²q² + 4 pq +9 answer 

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