192a9-243a5x4
factorise each of the following expressions
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Answer:
2x2x2x2x2x2x3xax3x3-3x3x3x3x3xax5x2x2
=3x3x3xa(2x2x2x2x2x2-3x3x5x2x2)
=3³a(2³-3³×5×2²)
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