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NikAS [45]
3 years ago
12

Which of the following polynomials has solution that are real numbers ?

Mathematics
1 answer:
slava [35]3 years ago
7 0
I think that the only polynomial that has a solution that are real numbers is:

B) x² + 4x + 3 = 0
(x + 3) (x + 1) → x² + 1x + 3x + 3 → x² + 4x + 3

(x+3) = 0 → x = -3

(x + 1) = 0 → x = -1

Real numbers are number that are whole numbers, rational and irrational numbers, positive and negative numbers, and even zero. 
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