Question

x4-12x2+32=0 Me ajudem por favor!

Answer 1

X4-12x2+32=0
X4=0+12x2-32
X4=0+24-32
X4=24-32
X4=-8
X=-8/4
X=2

Answer 2

(X2)2-12x2+32=0
Y2-12y+32=0
A=1
B=-12
C=32
=(-12)2-4×1×32
=144-128
=16
Y=-(-12)+-☑16
----------------------
2×1
Y=12+-4
--------------
2
Y'=12+4/2
16/2=8
Y"=12-4/2
8/2=4

S={8,4}