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Pls anwer this qestion it is worth 30 points
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4 votes
Pls anwer this qestion it is worth 30 points

Pls anwer this qestion it is worth 30 points-example-1
User FabienM
by
4.4k points

1 Answer

3 votes

Answer:

49

Explanation:

25b² + 70b + ....

( 5b + 7)² = 5×5b² + 2×5×7b + 7×7 = 25b² + 70b + 49

User Eugene Mihaylin
by
4.7k points
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