solve the following quadratic equation for all values of X and simplest form find the error in the problem

Reto Aebersold asked Jul 3, 2023

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Reto Aebersold asked Jul 3, 2023

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14 votes

we have

Solve the quadratic equation

$\begin{gathered} (x-1)^2=9 \\ \text{take square root both sides} \\ (x-1)=\pm3 \\ x=1\pm3 \\ x_1=1+3=4 \\ x_2=1-3=-2 \end{gathered}$

Winhowes answered Jul 9, 2023

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