Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(81x^{8}-121\)
- \(64q^{10}+16q^5y+1y^2\)
- \(256q^2-25\)
- \(49a^2+126a+81\)
- \(9a^{10}-169\)
- \(-25p^2+9\)
- \(169-256s^{16}\)
- \(b^2-100\)
- \(p^2-12p+36\)
- \(9q^{6}-48q^3+64\)
- \(-64x^2+225\)
- \(64y^{10}+208y^5+169\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(81x^{8}-121=(9x^4+11)(9x^4-11)\)
- \(64q^{10}+16q^5y+1y^2=(8q^5+y)^2\)
- \(256q^2-25=(16q+5)(16q-5)\)
- \(49a^2+126a+81=(7a+9)^2\)
- \(9a^{10}-169=(3a^5+13)(3a^5-13)\)
- \(-25p^2+9=(3-5p)(3+5p)\)
- \(169-256s^{16}=(13-16s^8)(13+16s^8)\)
- \(b^2-100=(b-10)(b+10)\)
- \(p^2-12p+36=(p-6)^2\)
- \(9q^{6}-48q^3+64=(3q^3-8)^2\)
- \(-64x^2+225=(15-8x)(15+8x)\)
- \(64y^{10}+208y^5+169=(8y^5+13)^2\)