Question

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give answer only without explain​

Answer 1

Answer:

1 st

$(2x + 5)2 \\ (2x)2 + 2 \times 2x \times 5 +( 5)2$

$2x2 + 20x + 25$

2nd

$(b - 7)2$

$b2 - 2 \times (b) \times 7 + (7)2$

$b2 - 14b + 49$

3rd

$(mn + 3p)2$

$mn 2 + 2 \times mn \times 3p + (3p)2$

$mn2 + 6mnp + 9p2$

4th

$(8 + pq)(pq + 7) \\ 8(pq + 7) \: pq(pq + 7$

$(8pq + 56){(pq)2 + 7pq}$

Answer 2

Answer:

hope this will help you