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lesya692 [45]
2 years ago
9

3

Mathematics
1 answer:
denis23 [38]2 years ago
8 0

Answer:

a. 49

b. 1

c. x^2+10x+25

Step-by-step explanation:

Symply substitute the values (5, -3, x+3) in the equation (x+2)^2

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