Question 23: Reducing the expression \((3 x-1)^{2}+x\) we get
\((3 x-1)^{2}+x=(3 x)^{2}-2.3 x \cdot 1+1+x=9 x^{2}-6 x+1+x=9 x ^{2}-5 x+1 \)
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Question 23: Reducing the expression \((3 x-1)^{2}+x\) we get
\((3 x-1)^{2}+x=(3 x)^{2}-2.3 x \cdot 1+1+x=9 x^{2}-6 x+1+x=9 x ^{2}-5 x+1 \)
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