Rozwiąż równanie
3x^2+2x+1=3x+4x^2-3
4-1/4x^2-3x=x2+2x+9
z Góry dzieki
-x²-x+4=0
Δ=1+16=17
x=(1-√17)/(-2)=(√17-1)/2 v x=-(1+√17)/2
-1,25x²-5x-5=0 /*(-4)
5x²+20x+20=0
5(x²+4x+4)=0 /:5
(x+2)²=0
x=-2
delta=1+16=17pierwiastek z delty=
-1,25x²-5x-5=0 /x(-4)
(x+2)²=0x=-2
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-x²-x+4=0
Δ=1+16=17
x=(1-√17)/(-2)=(√17-1)/2 v x=-(1+√17)/2
-1,25x²-5x-5=0 /*(-4)
5x²+20x+20=0
5(x²+4x+4)=0 /:5
(x+2)²=0
x=-2
-x²-x+4=0
delta=1+16=17
pierwiastek z delty=
-1,25x²-5x-5=0 /x(-4)
5x²+20x+20=0
5(x²+4x+4)=0 /:5
(x+2)²=0
x=-2