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What is the simplest equation that has roots 4 and 2?

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gilbertbi eNotes educator | Certified Educator

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To find your equation, simply work the problem backwards:

Let:

x = 2       and       x = 4

x - 2 = 0   and   x - 4 = 0

(x - 2)(x - 4) = 0

From here use FOIL:

`x^2 - 6x + 8 = 0`

` `

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Tushar Chandra eNotes educator | Certified Educator

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