Tweeterm als gem. factor (3)

Hoofdmenu Eentje per keer  🖨

Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

1. \((p+9)(p-6)-(2p-6)(p+9)\)
2. \((9y+4)^2+(27y+12)\)
3. \((6y+5)^2-(18y+15)\)
4. \((5q-3)(q+5)-(5q-3)(2q-2)\)
5. \((2s+3)^2+(8s+12)\)
6. \((3p-2)^2-(12p-8)\)
7. \((b-6)(b-4)-(3b+2)(b-6)\)
8. \((8p-7)^2-(40p-35)\)
9. \((8x+1)^2-(24x+3)\)
10. \((8b-2)(b-7)+(8b-2)(5b-8)\)
11. \((p+8)(p+7)-(5p-9)(p+8)\)
12. \((p-8)(p+5)-(5p+5)(p-8)\)

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Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

Verbetersleutel

1. \((p+9)(p-6)-(2p-6)(p+9)\\=(p+9)(p-6-2p+6)\\=(p+9)(-p+0)\)
2. \((9y+4)^2+(27y+12)\\=(9y+4)(9y+4)+3(9y+4)\\=(9y+7)(9y+4)\)
3. \((6y+5)^2-(18y+15)\\=(6y+5)(6y+5)-3(6y+5)\\=(6y+2)(6y+5)\)
4. \((5q-3)(q+5)-(5q-3)(2q-2)\\=(5q-3)(q+5-2q+2)\\=(5q-3)(-q+7)\)
5. \((2s+3)^2+(8s+12)\\=(2s+3)(2s+3)+4(2s+3)\\=(2s+7)(2s+3)\)
6. \((3p-2)^2-(12p-8)\\=(3p-2)(3p-2)-4(3p-2)\\=(3p-6)(3p-2)\)
7. \((b-6)(b-4)-(3b+2)(b-6)\\=(b-6)(b-4-3b-2)\\=(b-6)(-2b-6)\)
8. \((8p-7)^2-(40p-35)\\=(8p-7)(8p-7)-5(8p-7)\\=(8p-12)(8p-7)\)
9. \((8x+1)^2-(24x+3)\\=(8x+1)(8x+1)-3(8x+1)\\=(8x-2)(8x+1)\)
10. \((8b-2)(b-7)+(8b-2)(5b-8)\\=(8b-2)(b-7+5b-8)\\=(8b-2)(6b-15)\)
11. \((p+8)(p+7)-(5p-9)(p+8)\\=(p+8)(p+7-5p+9)\\=(p+8)(-4p+16)\)
12. \((p-8)(p+5)-(5p+5)(p-8)\\=(p-8)(p+5-5p-5)\\=(p-8)(-4p+0)\)