Question 43: Simplify the expression \(\begin{aligned} &A=(4+7 x) \cdot y-4 y \cdot(1+2 x)+y+xy \end{aligned}\) ta Okay
\(\begin{aligned} &A=(4+7 x) \cdot y-4 y \cdot(1+2 x)+y+xy\\ &A=4 y+7 x y-4 y-8 x y +y+xy\\ &A=y \end{aligned}\)
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