lee9724
25.07.2019 •
Mathematics
Solve 2x2 − 6x = −8. negative 3 plus or minus 5i all over 2 the quantity of 3 plus or minus 2i square root 30 all over 2 the quantity of 3 plus or minus i square root 30 all over 2 the quantity of 3 plus or minus i square root 7 all over 2
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Ответ:
x²-3x+4=0
D=b²-4ac=9-16=-7
x=(3+/-i√7)/2
correct answer is the last one
Ответ:
68 it think
Step-by-step explanation: