Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(p^2-64\)
- \(q^2-121\)
- \(81a^2-121\)
- \(144p^2+168p+49\)
- \(256s^2-480s+225\)
- \(49b^2-140b+100\)
- \(25s^{6}-90s^3x+81x^2\)
- \(b^2+16b+64\)
- \(s^2-196\)
- \(b^2+28b+196\)
- \(169y^2-25b^{6}\)
- \(225b^{10}+390b^5x+169x^2\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(p^2-64=(p+8)(p-8)\)
- \(q^2-121=(q+11)(q-11)\)
- \(81a^2-121=(9a+11)(9a-11)\)
- \(144p^2+168p+49=(12p+7)^2\)
- \(256s^2-480s+225=(16s-15)^2\)
- \(49b^2-140b+100=(7b-10)^2\)
- \(25s^{6}-90s^3x+81x^2=(5s^3-9x)^2\)
- \(b^2+16b+64=(b+8)^2\)
- \(s^2-196=(s+14)(s-14)\)
- \(b^2+28b+196=(b+14)^2\)
- \(169y^2-25b^{6}=(13y-5b^3)(13y+5b^3)\)
- \(225b^{10}+390b^5x+169x^2=(15b^5+13x)^2\)