Mathematics, 14.12.2021 19:40 esmeraldavelez63

Which of the equations are true identities? A. (a + b)(20 + 1) = g(20 + 2b + 1)
B. (n + 2)2 – m2 = 4(n + 1)

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Which of the equations are true identities? A. (a + b)(20 + 1) = g(20 + 2b + 1)
B. (n + 2)2...

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Which of the equations are true identities? A. (a + b)(20 + 1) = g(20 + 2b + 1) B. (n + 2)2 – m2 = 4(n + 1)

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Which of the equations are true identities? A. (a + b)(20 + 1) = g(20 + 2b + 1)
B. (n + 2)2 – m2 = 4(n + 1)