Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(121p^2-4b^{6}\)
- \(s^2-28s+196\)
- \(25p^{6}-140p^3+196\)
- \(a^2-10a+25\)
- \(y^2+16y+64\)
- \(-25q^2+4\)
- \(-25b^2+121\)
- \(-225q^2+121\)
- \(100y^2-49\)
- \(49y^2-64\)
- \(81b^{12}-169\)
- \(100s^2-9\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(121p^2-4b^{6}=(11p-2b^3)(11p+2b^3)\)
- \(s^2-28s+196=(s-14)^2\)
- \(25p^{6}-140p^3+196=(5p^3-14)^2\)
- \(a^2-10a+25=(a-5)^2\)
- \(y^2+16y+64=(y+8)^2\)
- \(-25q^2+4=(2-5q)(2+5q)\)
- \(-25b^2+121=(11-5b)(11+5b)\)
- \(-225q^2+121=(11-15q)(11+15q)\)
- \(100y^2-49=(10y+7)(10y-7)\)
- \(49y^2-64=(7y+8)(7y-8)\)
- \(81b^{12}-169=(9b^6+13)(9b^6-13)\)
- \(100s^2-9=(10s+3)(10s-3)\)