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

solve the following quadratic equation for all values of X and simplest form find-example-1
User Djs
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1 Answer

3 votes

we have


(x-1)^2=9

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}

User PurpleAlien
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