Find and correct the errors in the following\begin{array}{l}{4(x-5)=4 – InterviewSolution

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1.	Find and correct the errors in the following\begin{array}{l}{4(x-5)=4 x-5} \\ {x+2 x+3 x=5 x} \\ {(2 x)^{2}+4(2 x)+7=2 x^{2}+8 x+} \\ {(3 x+2)^{2}=3 x^{2}+6 x+4}\end{array}
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