Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(q^2-9\)
- \(169-225x^{16}\)
- \(q^2+28q+196\)
- \(a^2+24a+144\)
- \(64y^2+144y+81\)
- \(81s^2-36s+4\)
- \(s^2+18s+81\)
- \(225s^{8}-49\)
- \(225q^2-121\)
- \(64a^2-240a+225\)
- \(x^2-18x+81\)
- \(225p^{10}-210p^5y+49y^2\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(q^2-9=(q+3)(q-3)\)
- \(169-225x^{16}=(13-15x^8)(13+15x^8)\)
- \(q^2+28q+196=(q+14)^2\)
- \(a^2+24a+144=(a+12)^2\)
- \(64y^2+144y+81=(8y+9)^2\)
- \(81s^2-36s+4=(9s-2)^2\)
- \(s^2+18s+81=(s+9)^2\)
- \(225s^{8}-49=(15s^4+7)(15s^4-7)\)
- \(225q^2-121=(15q+11)(15q-11)\)
- \(64a^2-240a+225=(8a-15)^2\)
- \(x^2-18x+81=(x-9)^2\)
- \(225p^{10}-210p^5y+49y^2=(15p^5-7y)^2\)