giuliabril
19.11.2020 •
Mathematics
Solve x2 + 9x + 9 = 0. (2 points)
a
quantity of negative 9 plus or minus 3 square root of 5 all over 2
b
quantity of 9 plus or minus 3 square root of 5 all over 2
c
quantity of negative 9 plus or minus square root of 117 all over 2
d
quantity of 9 plus or minus square root of 117 all over 2
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Ответ:
Just count how many times each number occurs in the sequence of numbers
Step-by-step explanation:
Hope it helped!