queenkendra16
22.05.2020 •
Mathematics
Select all of the following that are quadratic equations
a 5 x-1=3x+8
b 5x-3=0
c x^2-2x=4x+1
d 2x^2+12x=0
e x^3-6x^2+8=0
f 9x^2+6x-3=0
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Ответ:
B.
Explanation: