Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(81a^2+18a+1\)
- \(-9y^2+196\)
- \(p^2-169\)
- \(121-64s^{8}\)
- \(9b^{10}+30b^5+25\)
- \(a^2-28a+196\)
- \(s^2-81\)
- \(25q^{4}+70q^2x+49x^2\)
- \(-4b^2+1\)
- \(81q^2-4p^{12}\)
- \(-9s^2+169\)
- \(81s^{6}-16\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(81a^2+18a+1=(9a+1)^2\)
- \(-9y^2+196=(14-3y)(14+3y)\)
- \(p^2-169=(p+13)(p-13)\)
- \(121-64s^{8}=(11-8s^4)(11+8s^4)\)
- \(9b^{10}+30b^5+25=(3b^5+5)^2\)
- \(a^2-28a+196=(a-14)^2\)
- \(s^2-81=(s+9)(s-9)\)
- \(25q^{4}+70q^2x+49x^2=(5q^2+7x)^2\)
- \(-4b^2+1=(1-2b)(1+2b)\)
- \(81q^2-4p^{12}=(9q-2p^6)(9q+2p^6)\)
- \(-9s^2+169=(13-3s)(13+3s)\)
- \(81s^{6}-16=(9s^3+4)(9s^3-4)\)