Question

Simplify the expression:

\[16a^4+24a^2b^2+9b^4\]

Answer 1

I figured it out.

Answer 2

\[=16a^4+12a^2b^2+12a^2b^2+9b^4\]
\[=4a^2(4a^2+3b^2)+3b^2(4a^2+3b^2)\]
\[=(4a^2+3b^2)(4a^2+3b^2)\]
\[=(4a^2+3b^2)^2\]