W(x)=x^2/4+x+1
Δ= b²-4ac
Δ=1-1=0
x₀=-b/2a= -1/½=-2
W(x)=¼(x+2)²
W(x)=x^4+2x^2+1
W(x)=(x²+1)²
W(x)=9-12x^2+4x^4
W(x)=4x⁴-12x²+9
W(x)=(2x²-3)²=((√2x-√3)(√2x+√3)²
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W(x)=x^2/4+x+1
Δ= b²-4ac
Δ=1-1=0
x₀=-b/2a= -1/½=-2
W(x)=¼(x+2)²
W(x)=x^4+2x^2+1
W(x)=(x²+1)²
W(x)=9-12x^2+4x^4
W(x)=4x⁴-12x²+9
W(x)=(2x²-3)²=((√2x-√3)(√2x+√3)²