Question

resolva as questões do 2 grau 7x^2+x+1=0

Answer 1

7x²+x+1=0
a=7 b=1 c=1

aformula é
x=-b+-√b²-4*a*c/2*a
x=-1+-√1²-4*7*1/2*7
x=-1+-√1-28/14
x=-1+-√-27/14
x=-1-√-27/14      x=-1+√-27/14