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Is -2 or -5 a root of the equation x^2 + 7x = -10
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Is -2 or -5 a root of the equation x^2 + 7x = -10

User DFayet
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1 Answer

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Plug both in and see which works:
For -2: 4+ (-14) = -10, so this one works
For -5: 25 + (-35) = -10, so this also works

Both -2 and -5 are correct
User Luke Tan
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