Rozwiąż w pamięci równania:
a) 5x(x+5)=0
b) (x-1)(x+2)=0
c)(4-x)(2+x)=0
Z góry thx :**
x=0 i x= - 5
x=1 i x= - 2
x=4 i x= - 2
a) x=0, x=-5
b) x=1, x=-2
c) x=4, x=-2
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a) 5x(x+5)=0
x=0 i x= - 5
b) (x-1)(x+2)=0
x=1 i x= - 2
c)(4-x)(2+x)=0
x=4 i x= - 2
a) x=0, x=-5
b) x=1, x=-2
c) x=4, x=-2