Răspuns:
2x²-3=0
2x²=3
x²=3/2
x1,2=√3/√2=√6/2
–2x²+3=0
–2x²=–3 /-1
x1,2=√6/2
8x²-10x+2=0 /:2
4x²-5x+1=0
4x²-x-4x+1=0
4x(x-1)-(x-1)=0
(x-1)(4x-1)=0
x1=1 x2=1/4