Question 24 - Mathematics Practice Test for the ACT

Factor the expression:

\[144x^4y^2 - 81z^6w^8\]

\[3[(12x^4y-9z^3w^4)(12x^4y-9z^3w^4)]\]
\[9(4x^2y + 3z^3w^4)(4x^2y - 3z^3w^4)\]
\[(144x^2y-81z^3w^4)(x^2y+z^3w^4)\]
\[(12x^4y^2+9z^6w^8)(12x^4y^2-9z^6w^8)\]

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