Tweeterm als gem. factor (3)

Hoofdmenu Eentje per keer  🖨

Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

1. \((p+5)(p+1)-(2p-6)(p+5)\)
2. \((s+8)(s-2)+(3s-3)(s+8)\)
3. \((p-7)(p-7)-(2p-1)(p-7)\)
4. \((8a-7)^2-(24a-21)\)
5. \((s+2)(s-7)+(4s-4)(s+2)\)
6. \((6s+1)^2-(12s+2)\)
7. \((9s+8)^2+(45s+40)\)
8. \((4q+7)^2+(8q+14)\)
9. \((3s-1)(s+8)+(3s-1)(5s+3)\)
10. \((b+3)(b-6)-(2b+8)(b+3)\)
11. \((4p+1)^2+(12p+3)\)
12. \((4s-5)(s-9)-(4s-5)(3s-6)\)

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Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

Verbetersleutel

1. \((p+5)(p+1)-(2p-6)(p+5)\\=(p+5)(p+1-2p+6)\\=(p+5)(-p+7)\)
2. \((s+8)(s-2)+(3s-3)(s+8)\\=(s+8)(s-2+3s-3)\\=(s+8)(4s-5)\)
3. \((p-7)(p-7)-(2p-1)(p-7)\\=(p-7)(p-7-2p+1)\\=(p-7)(-p-6)\)
4. \((8a-7)^2-(24a-21)\\=(8a-7)(8a-7)-3(8a-7)\\=(8a-10)(8a-7)\)
5. \((s+2)(s-7)+(4s-4)(s+2)\\=(s+2)(s-7+4s-4)\\=(s+2)(5s-11)\)
6. \((6s+1)^2-(12s+2)\\=(6s+1)(6s+1)-2(6s+1)\\=(6s-1)(6s+1)\)
7. \((9s+8)^2+(45s+40)\\=(9s+8)(9s+8)+5(9s+8)\\=(9s+13)(9s+8)\)
8. \((4q+7)^2+(8q+14)\\=(4q+7)(4q+7)+2(4q+7)\\=(4q+9)(4q+7)\)
9. \((3s-1)(s+8)+(3s-1)(5s+3)\\=(3s-1)(s+8+5s+3)\\=(3s-1)(6s+11)\)
10. \((b+3)(b-6)-(2b+8)(b+3)\\=(b+3)(b-6-2b-8)\\=(b+3)(-b-14)\)
11. \((4p+1)^2+(12p+3)\\=(4p+1)(4p+1)+3(4p+1)\\=(4p+4)(4p+1)\)
12. \((4s-5)(s-9)-(4s-5)(3s-6)\\=(4s-5)(s-9-3s+6)\\=(4s-5)(-2s-3)\)