Answers

2014-08-03T12:49:57+05:30
(a)² + 2.a.4 + (4)²
= (a+4)²

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2014-08-03T12:56:23+05:30
A²+8a+16
=a²+2×a×4+4²
=(a+4)²

This is the factorised form and is not an equation.
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