Mathematics
Mathematics, 30.09.2019 00:30, grugfhb

Solve x2 + 10x = -21.

x = 7 and x = 3
x = -7 and x = -3
x = -7 and x = 3
x = 7 and x = -3

answer
Answers: 2

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Do you know the correct answer?
Solve x2 + 10x = -21.

x = 7 and x = 3
x = -7 and x = -3
x = -7 and x = 3

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