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Answer:
a. n² +10n +25 = 0
b. 0
c. 1 real solution
Explanation:
a. Add 25 to put the equation in standard form.
n² +10n +25 = 0
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b. The discriminant is d = b²-4ac.
d = 10² -4(1)(25) = 0
The discriminant is 0.
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c. A discriminant of 0 means there is 1 real solution.