- $\rhd$ Factoring trinomials by grouping (5:19) Factor the trinomial $12x^2+34x+10$.
- $\rhd$ Factoring trinomials by grouping (4:02) Factor the trinomial $6x^2+15x-21$.
- $\rhd$ Factoring trinomials by grouping (5:08) Factor the trinomial $ -8x^2+60x-21$.
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