$${ 80 }^{ 2 } + { 6 }^{ 2 } +2(6)(80)$$
$7396$
$$6400+6^{2}+2\times 6\times 80$$
$$6400+36+2\times 6\times 80$$
$$6436+2\times 6\times 80$$
$$6436+12\times 80$$
$$6436+960$$
$$7396$$
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$2^{2}\times 43^{2}$
