Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(y^2+2y+1\)
- \(b^2-169\)
- \(64a^2-25\)
- \(-49s^2+81\)
- \(a^2-81\)
- \(121y^{16}-196\)
- \(y^2-81\)
- \(225-49q^{8}\)
- \(49y^{8}-140y^4+100\)
- \(q^2-16\)
- \(p^2-36\)
- \(4a^2-81\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(y^2+2y+1=(y+1)^2\)
- \(b^2-169=(b+13)(b-13)\)
- \(64a^2-25=(8a+5)(8a-5)\)
- \(-49s^2+81=(9-7s)(9+7s)\)
- \(a^2-81=(a+9)(a-9)\)
- \(121y^{16}-196=(11y^8+14)(11y^8-14)\)
- \(y^2-81=(y-9)(y+9)\)
- \(225-49q^{8}=(15-7q^4)(15+7q^4)\)
- \(49y^{8}-140y^4+100=(7y^4-10)^2\)
- \(q^2-16=(q+4)(q-4)\)
- \(p^2-36=(p+6)(p-6)\)
- \(4a^2-81=(2a+9)(2a-9)\)