Răspuns :
x²=49/64⇒
64x²=49⇒64x²-49=0
a=64
b=0
c=-49
Δ=b²-4ac⇒Δ=0+12544
√Δ=√12544
Δ=112
x1x2=-b+-√Δ/2a
x1=0+112/128=112/128
x2=0-112/128⇒-12/128
sucees
64x²=49⇒64x²-49=0
a=64
b=0
c=-49
Δ=b²-4ac⇒Δ=0+12544
√Δ=√12544
Δ=112
x1x2=-b+-√Δ/2a
x1=0+112/128=112/128
x2=0-112/128⇒-12/128
sucees