Question

$(x + 7)2 = x2 + 14x + k$
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Answer 1

Answer:

k = 49

Step-by-step explanation:

(x+7)² = x²+14x + k

x²+49+14x = x² + 14x + k

k = 49

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Answer 2

(x+7)²= x²+14x+k

x²+49+14x = x²+14x+k

k=49