Question

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3p²q² - 4pq +5,- 10p²q², 15 + 9pq + 7p²q²​

Answer 1

Step-by-step explanation:

0p²q² +5pq +20

= 5pq+20

5(pq+4)

Answer 2

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3p²q²-4pq+5, -10p²q²,

15+9pq+7p²q²

= (3p²q²-4pq+5)+(-10p²q²) +15+9pq+6p²q²

= (3-10 + 6 )p²q² + ( -4+9 )pq+5+15

= -1p²q² + 5pq + 20