Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(25y^2-70y+49\)
- \(196s^2+28s+1\)
- \(64b^2-25\)
- \(b^2-30b+225\)
- \(y^2+6y+9\)
- \(64q^2-112q+49\)
- \(b^{16}-225y^2\)
- \(9p^{8}-1\)
- \(a^2-9\)
- \(64y^{6}+240y^3+225\)
- \(16q^{8}-169\)
- \(225p^2+390p+169\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(25y^2-70y+49=(5y-7)^2\)
- \(196s^2+28s+1=(14s+1)^2\)
- \(64b^2-25=(8b+5)(8b-5)\)
- \(b^2-30b+225=(b-15)^2\)
- \(y^2+6y+9=(y+3)^2\)
- \(64q^2-112q+49=(8q-7)^2\)
- \(b^{16}-225y^2=(b^8+15y)(b^8-15y)\)
- \(9p^{8}-1=(3p^4+1)(3p^4-1)\)
- \(a^2-9=(a+3)(a-3)\)
- \(64y^{6}+240y^3+225=(8y^3+15)^2\)
- \(16q^{8}-169=(4q^4+13)(4q^4-13)\)
- \(225p^2+390p+169=(15p+13)^2\)