Question

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a)x²-8x+15=0
a= b= c=

b)x²+10x+25=0
a= b= c=

c)3x²+4x+1=0
a= b= c=

d)-x²+12x-20=0

a= b= c=​

Answer 1

Resposta:

a)x²-8x+15=0

a= 1 b= -8 c= 15

b)x²+10x+25=0

a=1 b= 10 c= 25

c)3x²+4x+1=0

a= 3 b= 4 c= 1

d)-x²+12x-20=0

a= -1 b= 12 c= -20