0=x^2-4x+3 how many roots does this equation have

Question

Snowball

Mathematics

9 July, 02:10

0=x^2-4x+3 how many roots does this equation have

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Answers (1)

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Phillip Blair · Answer 1

No complex roots; 3 real roots

Step-by-step explanation:

If a third order polynomial has any complex roots, then as a rule it has 1 real root and 2 complex roots. In this particular case, the polynomial has three real roots, as can be determined by graphing the function. The graph crosses the x-axis in 3 places.