Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(121a^2-44a+4\)
- \(b^2+20b+100\)
- \(x^2-4\)
- \(225p^{6}-420p^3x+196x^2\)
- \(25a^2-20a+4\)
- \(121-225b^{8}\)
- \(49b^2-4a^{14}\)
- \(1-49s^{16}\)
- \(a^2+12a+36\)
- \(169y^2-196b^{4}\)
- \(16a^2+104a+169\)
- \(16x^2-56x+49\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(121a^2-44a+4=(11a-2)^2\)
- \(b^2+20b+100=(b+10)^2\)
- \(x^2-4=(x+2)(x-2)\)
- \(225p^{6}-420p^3x+196x^2=(15p^3-14x)^2\)
- \(25a^2-20a+4=(5a-2)^2\)
- \(121-225b^{8}=(11-15b^4)(11+15b^4)\)
- \(49b^2-4a^{14}=(7b-2a^7)(7b+2a^7)\)
- \(1-49s^{16}=(1-7s^8)(1+7s^8)\)
- \(a^2+12a+36=(a+6)^2\)
- \(169y^2-196b^{4}=(13y-14b^2)(13y+14b^2)\)
- \(16a^2+104a+169=(4a+13)^2\)
- \(16x^2-56x+49=(4x-7)^2\)