Question 1897

X2+64
<pre>{{{(a)^2 + (bi)^2}}}
{{{x^2 + 64}}}_______{{{x^2 + 8^2}}}_______{{{(x)^2 + (8i)^2}}}
{{{highlight_green((x + 8i)(x - 8i))}}} ------- Applying factors for SUM of SQUARES (SOTS)