Factor out the common factor for each trinomial.

3.4.1 | Trinomial | What is the common factor? | Write the trinomial with the Common Factor factored out. | | :------------------ | :------------------------- | :------------------------------------------------------- | | $2x^2 + 10x + 12$ | 2 | $2(x^2 + 5x + 6)$ | | $-5a^2 - 15a - 10$ | $\mathbf{-5}$ | $\mathbf{-5(a^2 + 3a + 2)}$ | | $c^3 - 8c^2 + 15c$ | $\mathbf{c}$ | $\mathbf{c(c^2 - 8c + 15)}$ |

3.4.2 | Step | Mathematical steps | Explanation | | :--- | :-------------------------------- | 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