(a+4)(a+2)=a^{2}+8
Solution:
\begin{aligned} &\mathrm{LHS}=(\mathrm{a}+4)(\mathrm{a}+2)=\mathrm{a}(\mathrm{a}+2)+4(\mathrm{a}+2)\\ &=a^{2}+2 a+4 a+8\\ &=a^{2}+6 a+8\\ &\neq a^{2}+8=R H S\\ &\text { The correct statement is }(a+4)(a+2)=a^{2}+6 a+8 \end{aligned}
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