Question

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Answer 1

Resposta:

2x²-8×+6=0

a= 2

b= -8

c= 6

-2x²+x+1=0

a= -2

b= 1

c= 1

x²-9=0

a= 1

b= 0

c= -9

x²-4x=0

a= 1

b= -4

c= 0

-x²+x+6=0

a= -1

b= 1

c= 6