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Simplifying and Factoring Expressions Completely

1. Factor completely:
x^7 * y^2 - 4x^ 5 * y^2 - 21x^ 3 * y^2

Solution Preview

x^7 * y^2 - 4x^ 5 * y^2 - 21x^ 3 * y^2
Taking x^3*y^2 common out from all the terms, we have

x^3*y^2[x^4-4x^2-21]

We can -21 ...

Solution Summary

An expression is simplified.

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