Tweeterm als gem. factor (3)

Hoofdmenu Eentje per keer  🖨

Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

1. \((8q-5)(q+6)+(8q-5)(5q-3)\)
2. \((x+4)(x-6)-(2x-4)(x+4)\)
3. \((q+8)(q-7)-(2q+5)(q+8)\)
4. \((4x-8)(x-6)-(4x-8)(3x-9)\)
5. \((2q-1)(q-4)+(2q-1)(5q-8)\)
6. \((2p-4)(p+9)+(2p-4)(5p+9)\)
7. \((8b-7)^2-(32b-28)\)
8. \((q-2)(q-7)-(4q+5)(q-2)\)
9. \((4p-3)^2+(16p-12)\)
10. \((5s+2)(s+9)+(5s+2)(2s-5)\)
11. \((2s+1)^2-(6s+3)\)
12. \((3p-1)(p-6)+(3p-1)(4p+4)\)

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Zonder de gemeenschappelijke tweeterm af en 'kuis op'.

Verbetersleutel

1. \((8q-5)(q+6)+(8q-5)(5q-3)\\=(8q-5)(q+6+5q-3)\\=(8q-5)(6q+3)\)
2. \((x+4)(x-6)-(2x-4)(x+4)\\=(x+4)(x-6-2x+4)\\=(x+4)(-x-2)\)
3. \((q+8)(q-7)-(2q+5)(q+8)\\=(q+8)(q-7-2q-5)\\=(q+8)(-q-12)\)
4. \((4x-8)(x-6)-(4x-8)(3x-9)\\=(4x-8)(x-6-3x+9)\\=(4x-8)(-2x+3)\)
5. \((2q-1)(q-4)+(2q-1)(5q-8)\\=(2q-1)(q-4+5q-8)\\=(2q-1)(6q-12)\)
6. \((2p-4)(p+9)+(2p-4)(5p+9)\\=(2p-4)(p+9+5p+9)\\=(2p-4)(6p+18)\)
7. \((8b-7)^2-(32b-28)\\=(8b-7)(8b-7)-4(8b-7)\\=(8b-11)(8b-7)\)
8. \((q-2)(q-7)-(4q+5)(q-2)\\=(q-2)(q-7-4q-5)\\=(q-2)(-3q-12)\)
9. \((4p-3)^2+(16p-12)\\=(4p-3)(4p-3)+4(4p-3)\\=(4p+1)(4p-3)\)
10. \((5s+2)(s+9)+(5s+2)(2s-5)\\=(5s+2)(s+9+2s-5)\\=(5s+2)(3s+4)\)
11. \((2s+1)^2-(6s+3)\\=(2s+1)(2s+1)-3(2s+1)\\=(2s-2)(2s+1)\)
12. \((3p-1)(p-6)+(3p-1)(4p+4)\\=(3p-1)(p-6+4p+4)\\=(3p-1)(5p-2)\)