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06-10-2019
Mathematics

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

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MisterJim MisterJim

06-10-2019

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

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