Mathematics, 19.10.2020 23:01 witcol386
Elena says, "(x + 3)2 can be expanded into x2 + 6x + 9. Likewise, (2x + 3)2 can be
expanded into 4x² + 6x + 9."
Find an error in Elena's statement and correct the error. Show your reasoning.
Answers: 1
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Elena says, "(x + 3)2 can be expanded into x2 + 6x + 9. Likewise, (2x + 3)2 can be
expanded into 4x...
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