Rozłóż na czynniki liniowe wielomian W(x)=
w(x)=(x²-16)(x²-6x-16)=(x+4)(x-4)(x²-6x-16)
x²-6x-16 =0
Δ=36-4*1*(-16)=36-4*(-16)=36+64=100
√Δ=10
x1=(6-10)/2=-4/2=-2
x2=(6+10)/2=16/2=8
w(x)=(x²-16)(x²-6x-16)=(x+4)(x-4)(x²-6x-16) =(x+4)(x-4)(x+2)(x-8)
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w(x)=(x²-16)(x²-6x-16)=(x+4)(x-4)(x²-6x-16)
x²-6x-16 =0
Δ=36-4*1*(-16)=36-4*(-16)=36+64=100
√Δ=10
x1=(6-10)/2=-4/2=-2
x2=(6+10)/2=16/2=8
w(x)=(x²-16)(x²-6x-16)=(x+4)(x-4)(x²-6x-16) =(x+4)(x-4)(x+2)(x-8)
licze na naj