Is this factoring step correct? $$w^3 + 5w^2 + 4w + 20\\=(w + 5)(w^2 + 4)$$

Factor Polynomials (Order 3) - By Grouping to Order 2 Factors, Coefficient 1 (True/False) (Level 1)

Factor Polynomials (Order 3) - By Grouping to Order 2 Factors, Coefficient 1 (True/False)

Level 1

The topics in this unit focus on mastering how to factor polynomials of order 3 and 4. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Factor Polynomials (Order 3) - By Grouping to Order 2 Factors, Coefficient 1 (True/False)

Is this factoring step correct?

m^3 - 8m^2 + 4m - 32\\=(m + 8)(m^2 + 4)

Earned ?