Mathematics
Mathematics, 08.01.2021 21:30, delanieloya

Oliver is trying to solve the following equation by completing the square. x2−32x+31=0
Here are the steps Oliver used to complete the square.

Original equation: Line 1: Line 2: Line 3: Line 4: Line 5: Line 6: x2−32x+31x2−32xx2−32x+32(x−16)2(x−1 6)2−−−−−−−−√x−16x0−31−31+3211–√±115 and x=17
Oliver did not get the correct solutions.

Which line contains Oliver's first mistake?

answer
Answers: 3

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Oliver is trying to solve the following equation by completing the square. x2−32x+31=0
Here a...

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