(-3a³)²÷a²=

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(-3a³)²÷a²=(-3a³)²÷a²=(-3a³)²÷a²=(-3a³)²÷a

(-3a³)²÷a²=
(-3a³)²÷a²=

(-3a³)²÷a²=
(-3a³)²÷a²
=9a^6÷a²
=9a⁴