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Identify the line where he made his mistake. f(x) = 2x2 − 8x + 5 Line 1: f(x) = 2(x2 − 8x) + 5 Line 2: f(x) = 2(x2 − 8x + 16) + 5 − 32 Line 3: f(x) = 2(x − 4)2 − 27

Respuesta :

Line 1: f(x) = 2(x −8x) + 5  because 2 wasn't correctly factored out.

What it should say is:

 f(x) = 2(x2 − 4x + 4) + 5 - 8
i agree it should be line 1

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