rozwiąż równania:
x^2(x-5)=x^2
x(3-2x)=(3-2x)^2
x(x-2)^2(x+9)=x(x-2)(x+9)
znajdź pierwiastki podanego wielomianu:
x(x+3)^3(2x-2)^3(x+3)
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x^2(x-5)=x^2
x^2(x-5)-x^2=0
x^2[(x-5)-1]=0
x^2=0 v x-5-1=0
x=0 x-6=0
x=6
x(3-2x)=(3-2x)^2
x(3-2x)-(3-2x)^2=0
(3-2x)[x-(3-2x)]=0
(3-2x)[x-3+2x]=0
(3-2x)[3x+3]=0
3-2x=0 v 3x-3=0
-2x=-3 3x=3
x=3/2 x=1
x=1i1/2
x(x-2)^2(x+9)=x(x-2)(x+9)
x(x-2)^2(x+9)-x(x-2)(x+9)=0
x(x-2)(x+9)[(x-2)-1]=0
x(x-2)(x+9)[x-3]=0
x=0 v x=2 v x=-9 x=3
x(x+3)^3(2x-2)^3(x+3)=0
x=0 v x+3=0 v 2x-2=0 v x+3=0
x=-3 2x=2 x=-3
x=1
x²(x-5)=x²
x²(x-5)-x²=0
x²(x-5-1)=0
x²(x-6)=0
x²=0 ∨ x-6=0
x=0 ∨ x=6
x(3-2x)=(3-2x)²
x(3-2x)-(3-2x)²=0
(3-2x)(x-(3-2x))=0
(3-2x)(3x-3)=0
3-2x=0 ∨ 3x-3=0
x=1½ ∨ x=1
x(x-2)²(x+9)=x(x-2)(x+9)
x(x-2)²(x+9)-x(x-2)(x+9)=0
x(x-2)(x+9)(x-2-1)=0
x=0 ∨ x-2=0 ∨ x+9=0 ∨ x-3=0
x=2 ∨ x=-9 ∨ x=3
x(x+3)³(2x-2)³(x+3)=0
x=0 ∨ 2x-2=0 ∨ x+3=0
x=1 ∨ x=-3