Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(121p^2-100\)
- \(-36b^2+1\)
- \(p^2-64\)
- \(196x^{6}+84x^3+9\)
- \(64b^2-80b+25\)
- \(25a^2-90a+81\)
- \(q^2-1\)
- \(4b^2+4b+1\)
- \(1-100a^{10}\)
- \(-196s^2+9\)
- \(s^2-225\)
- \(s^2-22s+121\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(121p^2-100=(11p+10)(11p-10)\)
- \(-36b^2+1=(1-6b)(1+6b)\)
- \(p^2-64=(p-8)(p+8)\)
- \(196x^{6}+84x^3+9=(14x^3+3)^2\)
- \(64b^2-80b+25=(8b-5)^2\)
- \(25a^2-90a+81=(5a-9)^2\)
- \(q^2-1=(q+1)(q-1)\)
- \(4b^2+4b+1=(2b+1)^2\)
- \(1-100a^{10}=(1-10a^5)(1+10a^5)\)
- \(-196s^2+9=(3-14s)(3+14s)\)
- \(s^2-225=(s-15)(s+15)\)
- \(s^2-22s+121=(s-11)^2\)