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  • one year ago

wirte this trinomal in factored form 7ypower2+2y-5

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  1. Utterly_Confuzzled
    • one year ago
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    Okay, so to start, you're going to write (7y -/+ __) and (y -/+__) From there you find the factors of c, or in this case 5. Those are 5 and 1. Since it's a minus 5, you'll know that one of the numbers is going to be negative. From there, you figure out which combo gives you a positive 2 when you add then together. So the possible combos would be (7y + 1) (y - 5) (7y + 5) (y - 1) (7y - 1) (y + 5) (7y - 5) (y + 1) One is right three are wrong. Can you figure it out from there??

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