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Factor a2 + 4ab - 45b2 on your paper. Which one of these is a factor of the trinomial?
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Factor a2 + 4ab - 45b2 on your paper. Which one of these is a factor of the trinomial?

User BaronVonKaneHoffen
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it factors out to: (a-5b)(a+9b)
User KomarSerjio
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