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bulgar [2K]
3 years ago
10

Fill in the blanks. (x+_)^2=x^2+14x+_

Mathematics
1 answer:
Serga [27]3 years ago
7 0

Step-by-step explanation:

(ax + b)² = a²x² + 2abx + b²

In this case, a = 1, so:

14 = 2b

b = 7

(x + 7)² = x² + 14x + 49

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