Question

x²=1 com delta e bhaskara
me ajudem pfvr

Answer 1

x²=1
x²-1=0
a=1 b=0 c=-1

delta= b²-4.a.c
delta= 0²-4.1.(-1)
delta = 0+4
delta = 4

X= -b+-Raiz de delta/2.a

x= -0+-2/2
x1= -0+2/2=1
x2= -0-2/2=-1