Tweeterm als gem. factor (3)

Hoofdmenu Eentje per keer  🖨

Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

1. \((3q+5)(q-5)+(3q+5)(4q+8)\)
2. \((p-1)(p-3)+(5p-4)(p-1)\)
3. \((s-6)(s-3)+(4s-1)(s-6)\)
4. \((5a-2)(a-4)+(5a-2)(4a-9)\)
5. \((3p-7)(p-3)-(3p-7)(2p+5)\)
6. \((5s-8)(s+9)+(5s-8)(4s-7)\)
7. \((b-3)(b+3)+(5b-4)(b-3)\)
8. \((a+2)(a+8)+(5a+7)(a+2)\)
9. \((p-2)(p+1)+(2p-4)(p-2)\)
10. \((3s-7)(s-1)+(3s-7)(4s+4)\)
11. \((2y+7)(y+5)+(2y+7)(5y+5)\)
12. \((4x+4)(x-7)-(4x+4)(3x+8)\)

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Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

Verbetersleutel

1. \((3q+5)(q-5)+(3q+5)(4q+8)\\=(3q+5)(q-5+4q+8)\\=(3q+5)(5q+3)\)
2. \((p-1)(p-3)+(5p-4)(p-1)\\=(p-1)(p-3+5p-4)\\=(p-1)(6p-7)\)
3. \((s-6)(s-3)+(4s-1)(s-6)\\=(s-6)(s-3+4s-1)\\=(s-6)(5s-4)\)
4. \((5a-2)(a-4)+(5a-2)(4a-9)\\=(5a-2)(a-4+4a-9)\\=(5a-2)(5a-13)\)
5. \((3p-7)(p-3)-(3p-7)(2p+5)\\=(3p-7)(p-3-2p-5)\\=(3p-7)(-p-8)\)
6. \((5s-8)(s+9)+(5s-8)(4s-7)\\=(5s-8)(s+9+4s-7)\\=(5s-8)(5s+2)\)
7. \((b-3)(b+3)+(5b-4)(b-3)\\=(b-3)(b+3+5b-4)\\=(b-3)(6b-1)\)
8. \((a+2)(a+8)+(5a+7)(a+2)\\=(a+2)(a+8+5a+7)\\=(a+2)(6a+15)\)
9. \((p-2)(p+1)+(2p-4)(p-2)\\=(p-2)(p+1+2p-4)\\=(p-2)(3p-3)\)
10. \((3s-7)(s-1)+(3s-7)(4s+4)\\=(3s-7)(s-1+4s+4)\\=(3s-7)(5s+3)\)
11. \((2y+7)(y+5)+(2y+7)(5y+5)\\=(2y+7)(y+5+5y+5)\\=(2y+7)(6y+10)\)
12. \((4x+4)(x-7)-(4x+4)(3x+8)\\=(4x+4)(x-7-3x-8)\\=(4x+4)(-2x-15)\)