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1 answer:
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Answer:
(2n + 7) (2n +7)
Step-by-step explanation:
To solve this problem we need to factorize 4n^2 + 28n +49 as shown below
thus, after factorization we see that first option is correct one
(2n + 7) (2n +7)
we can validate this by expanding it
2n (2n +7) + 7 (2n+7)\
=> 4n^2 + 14n + 14n + 49 = 4n^2 + 28n +49 (which is equal to the problem stated expression)
Answer: (x - 3)² + y² =
<u>Step-by-step explanation:</u>
Circle Formula: (x - h)² + (y - k)² = r² ; (h, k) is the center & r is the radius
Use the distance formula for (3, 0) and (1, )
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Center (h, k) = (3, 0) Radius (r) =
(x - h)² + (y - k)² = r²
(x - 3)² + (y - 0)² = ()²
(x - 3)² + y² =