Ta có: \(15a^2b^2-12a^3b+3ab^2\)
\(=3ab\cdot5ab-3ab\cdot4a^2+3ab\cdot b\)
\(=3ab\left(5ab-4a^2+b\right)\)
Ta có: \(15a^2b^2-12a^3b+3ab^2\)
\(=3ab\cdot5ab-3ab\cdot4a^2+3ab\cdot b\)
\(=3ab\left(5ab-4a^2+b\right)\)
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phan tich da thuc thanh nhan tu
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phan tich da thuc thanh nhan tu chung
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