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15-01-2020
Mathematics

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Jane evaluates x2 – 3x + 5 for x = –2 below. Step 1: (–2)2 –3(–2) + 5 Step 2: = –4 + 6 + 5 Step 3: = 7 What, if any, was Jane’s mistake?

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16-01-2020

Answer:

The jane's mmistake is

[tex](-2)^{2}=(-2)*(-2)=4[/tex]

Step-by-step explanation:

It has to [tex]x^{2} -3x+5\\x=-2\\(-2)^{2}-3(-3)+5\\4+6+5=15[/tex]

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