Răspuns :
6x la puterea a doua este 36x
36x-7x+2=0
29x+2=0
29x=-2
x=-29 supra 2
36x-7x+2=0
29x+2=0
29x=-2
x=-29 supra 2
6x²-7x+2=0⇒
a=7
b=-7
c=2
Δ=b²-4ac⇒Δ=(-7)²-4x6x2⇒Δ=49-48⇒Δ=1⇒√Δ=√1⇒Δ=1
x1x2=-b+-√Δ|2a
x1=7+1|2x6=8|12⇒x1=2|3
x2=7-1|12⇒6|12⇒1|2
succes
a=7
b=-7
c=2
Δ=b²-4ac⇒Δ=(-7)²-4x6x2⇒Δ=49-48⇒Δ=1⇒√Δ=√1⇒Δ=1
x1x2=-b+-√Δ|2a
x1=7+1|2x6=8|12⇒x1=2|3
x2=7-1|12⇒6|12⇒1|2
succes