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n2 - 10n + 21 = 0

Two numbers that sum to -10 and multiply to 21 are -3 and -7

So (n - 3)*(n - 7) = 0

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13y ago

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(n - 3)(n - 7)

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9y ago
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Q: How do you factor n2-10n plus 21 equals 0?
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