ACT Prep / Mr. Ulle
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Finding Zeros Using Factor by Grouping
Find the zeros.
1) 𝑓(𝑥) = 𝑥 3 + 𝑥 2 − 4𝑥 − 4
2) 𝑓(𝑥) = 2𝑥 3 − 3𝑥 2 − 18𝑥 + 27
3) 𝑓(𝑥) = 𝑥 3 − 5𝑥 2 − 5𝑥 + 25