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32 votes
32 votes
Please show me the answer checking to see if I got it right

Please show me the answer checking to see if I got it right-example-1
User Dxb
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1 Answer

6 votes
6 votes

we have


\begin{gathered} x^2-6x+9=2 \\ x^2-6x+9-9=2-9 \\ x^2-6x=-7 \\ x^2-6x+\mleft(-3\mright)^2=-7+\mleft(-3\mright)^2 \\ x^2-6x+\mleft(-3\mright)^2=-7+9 \\ x^2-6x+\mleft(-3\mright)^2=2 \\ \mleft(x-3\mright)^2=2 \\ x-3=√(2) \\ x-3+3=√(2)+3 \\ x=√(2)+3 \\ \text{and } \\ x-3=-√(2) \\ x-3+3=-√(2)+3 \\ x=-√(2)+3 \end{gathered}

answer: A and D

User Pinoyyid
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