What are the roots of the equation x2 - 10x + 21 = 0?
A) 1 and 21
B) -5 and -5
C) 3 and...
Mathematics, 24.03.2021 18:20 jstyopin
What are the roots of the equation x2 - 10x + 21 = 0?
A) 1 and 21
B) -5 and -5
C) 3 and 7
D) -3 and - 7
Answers: 3
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