(9a²x2-12axb + 4b²)x(3ax + 2b)
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18a²x²-8b²
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Answer:
a4.b4(9.10)+4.3(5)/a4.b2(18-8)
a4.b4.90)+12.5/a4.b2.10
a4.b4.10)+60/a4.b2.0
a4.b4.70/A4.b2
a8.b6(70)
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