12m^5 n¹ - 21m³ n³

Factorize the difference of two squares
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1 Answer

Factorise 12m⁵n-21m³n³=

3(4m⁵n-7m³n³)=

3m³n(4m²-7n²).

The next step introduces an irrational number:

3m³n(2m+n√7)(2m-n√7).

by Top Rated User (1.2m points)

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