Tweeterm als gem. factor (3)

Hoofdmenu Eentje per keer  🖨

Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

1. \((5q+1)(q+8)+(5q+1)(2q-6)\)
2. \((s+1)(s-3)-(2s-4)(s+1)\)
3. \((6b+5)(b+6)+(6b+5)(5b+7)\)
4. \((3b+4)(b+9)-(3b+4)(4b+4)\)
5. \((7y+1)^2+(35y+5)\)
6. \((b+4)(b-1)+(3b+7)(b+4)\)
7. \((s+9)(s-6)-(3s+9)(s+9)\)
8. \((x+5)(x-8)-(2x+6)(x+5)\)
9. \((6b+1)^2+(24b+4)\)
10. \((5b+1)^2+(25b+5)\)
11. \((a-3)(a+9)+(3a-5)(a-3)\)
12. \((5p-4)(p-5)-(5p-4)(4p-8)\)

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Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

Verbetersleutel

1. \((5q+1)(q+8)+(5q+1)(2q-6)\\=(5q+1)(q+8+2q-6)\\=(5q+1)(3q+2)\)
2. \((s+1)(s-3)-(2s-4)(s+1)\\=(s+1)(s-3-2s+4)\\=(s+1)(-s+1)\)
3. \((6b+5)(b+6)+(6b+5)(5b+7)\\=(6b+5)(b+6+5b+7)\\=(6b+5)(6b+13)\)
4. \((3b+4)(b+9)-(3b+4)(4b+4)\\=(3b+4)(b+9-4b-4)\\=(3b+4)(-3b+5)\)
5. \((7y+1)^2+(35y+5)\\=(7y+1)(7y+1)+5(7y+1)\\=(7y+6)(7y+1)\)
6. \((b+4)(b-1)+(3b+7)(b+4)\\=(b+4)(b-1+3b+7)\\=(b+4)(4b+6)\)
7. \((s+9)(s-6)-(3s+9)(s+9)\\=(s+9)(s-6-3s-9)\\=(s+9)(-2s-15)\)
8. \((x+5)(x-8)-(2x+6)(x+5)\\=(x+5)(x-8-2x-6)\\=(x+5)(-x-14)\)
9. \((6b+1)^2+(24b+4)\\=(6b+1)(6b+1)+4(6b+1)\\=(6b+5)(6b+1)\)
10. \((5b+1)^2+(25b+5)\\=(5b+1)(5b+1)+5(5b+1)\\=(5b+6)(5b+1)\)
11. \((a-3)(a+9)+(3a-5)(a-3)\\=(a-3)(a+9+3a-5)\\=(a-3)(4a+4)\)
12. \((5p-4)(p-5)-(5p-4)(4p-8)\\=(5p-4)(p-5-4p+8)\\=(5p-4)(-3p+3)\)