Question

$(2n - 1)(2n + 3)$
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Answer 1

$(2n - 1)(2n + 3) \\ 4n {}^{2} + 6n - 2n - 3 \\ 4n {}^{2} + 4n - 3$

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Answer 2

Step-by-step explanation:

by applying formula (x+a)(x+b)=x^2 +x(a+b)

(2n^2)+2n(-1+3)

4n^2+2n(2)

4n^2+4n

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