Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(p^2-49\)
- \(4a^2+12a+9\)
- \(225b^{6}-4q^2\)
- \(100y^2-121\)
- \(81-16q^{16}\)
- \(16s^2+120s+225\)
- \(b^2-25\)
- \(-81b^2+64\)
- \(s^2-6s+9\)
- \(49b^{4}+154b^2+121\)
- \(x^2-9\)
- \(x^2+6x+9\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(p^2-49=(p+7)(p-7)\)
- \(4a^2+12a+9=(2a+3)^2\)
- \(225b^{6}-4q^2=(15b^3+2q)(15b^3-2q)\)
- \(100y^2-121=(10y+11)(10y-11)\)
- \(81-16q^{16}=(9-4q^8)(9+4q^8)\)
- \(16s^2+120s+225=(4s+15)^2\)
- \(b^2-25=(b-5)(b+5)\)
- \(-81b^2+64=(8-9b)(8+9b)\)
- \(s^2-6s+9=(s-3)^2\)
- \(49b^{4}+154b^2+121=(7b^2+11)^2\)
- \(x^2-9=(x-3)(x+3)\)
- \(x^2+6x+9=(x+3)^2\)