Question

X square + 8 x + 16
$x ^{2} + 8x + 16$
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Answer 1

Answer:

${a}^{2} + 2ab + {b}^{2} = {(a + b)}^{2}$

$\: \: \: \: \: {x}^{2} + 8x + 16$

$= {(x)}^{2} + 2 \times x \times 4 + {(4)}^{2}$

$= {(x + 4)}^{2}$