F(x) = -21x^2+ 63x + 84

1 answer:

6 0

Answer:

x=4,-1

Step-by-step explanation:

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garik1379 [7]

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Natasha_Volkova [10]

Yes that is correct because 4-3 plus 5 is 6 and -6 +8+4 is 6 soo dont stress your self out..Lol

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alina1380 [7]

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Step-by-step explanation:

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