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Andreistelistu
a fost răspuns

dati factor comun pentru:
25a -5b+5c
20x+10y-30z
30ab+10a
15abc+25ac
35ab-14bc
21abc+14ab+7b
xyz-xy-xz
4a+8ab-16ac

Răspuns :

[tex]25a-5b+5c=5(5a-b+c) \\ 20x+10y-30z=10(2x+y-3z) \\ 30ab+10a=10a(3b+1) \\ 15abc+25ac=5ac(3b+5) \\ 35ab-14bc=7b(5a-2c) \\ 21abc+14ab+7b=7b(3ac+2a+1) \\ xyz-xy-xz=x(yz-y-z) \\ 4a+8ab-16ac=4a(1+2b-4c)[/tex]

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