Question

$4x {}^{2} + 12x + 9$
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Answer 1

Answer:

$4x {}^{2} + 12x + 9 \\ by \: using \: identity \: (a + b) {}^{2} = a { }^{2} + b {}^{2} + 2ab \\( 2x + 3) { }^{2} \\ \\ \\ \\ hope \: it \: helps \: you$