ishrael2001
05.10.2020 •
Mathematics
How do you use 10’s to add 15 + 7
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Ответ:
x^2 − 5x − 2 = 0.
a = 1
b = -5
c = -2
x = (5 +- sqrt(25 +8)) / 2
x1 = 5.3723
x2 = -0.37228
Step-by-step explanation: