Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(s^2+14s+49\)
- \(36y^2-121\)
- \(-4a^2+169\)
- \(81q^2-49p^{4}\)
- \(169q^{8}+26q^4s+1s^2\)
- \(p^2-30p+225\)
- \(81p^2-100\)
- \(9y^2+48y+64\)
- \(256y^{8}+480y^4+225\)
- \(256b^{10}-288b^5x+81x^2\)
- \(-9s^2+49\)
- \(225s^{8}-330s^4+121\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(s^2+14s+49=(s+7)^2\)
- \(36y^2-121=(6y+11)(6y-11)\)
- \(-4a^2+169=(13-2a)(13+2a)\)
- \(81q^2-49p^{4}=(9q-7p^2)(9q+7p^2)\)
- \(169q^{8}+26q^4s+1s^2=(13q^4+s)^2\)
- \(p^2-30p+225=(p-15)^2\)
- \(81p^2-100=(9p+10)(9p-10)\)
- \(9y^2+48y+64=(3y+8)^2\)
- \(256y^{8}+480y^4+225=(16y^4+15)^2\)
- \(256b^{10}-288b^5x+81x^2=(16b^5-9x)^2\)
- \(-9s^2+49=(7-3s)(7+3s)\)
- \(225s^{8}-330s^4+121=(15s^4-11)^2\)