แยกตัวประกอบ(ง่าย)

ข้อใดต่อไปนี้ถูกต้อง

• 36 = 2 x 2 x 3 x 3

• 462 = 2 x 3 x 5 x 7 x 2
  

• 110 = 2 x 5 x 3
  

• 80 = 2 x 2 x 2 x 2 x 6

จงแยกตัวประกอบของ 80

• 2 x 2 x 2 x 2 x 5

  
  

• 2 x 5 x 3

• 2 x 2 x 2 x 2 x 6

• 2 x 3 x 5 x 7 x 2

จงแยกตัวประกอบของพหุนามต่อไปนี้

• 2x2+5x+2 2x2+5x+2=(2x+1)(x+2)

• 8x2–6x–9=(4x+3)(2x–3)

• 12x2–29x+14=(3x–2)(4x–7)

• 28x2+31x–5=(7x–1)(4x+5)

2. 2x2+5x+22�2+5�+2

• 1. 2x2+5x+2=(2x+1)(x+2)

  
  

• 1. 2x2+5x+2=(2x+1)(x-2)

  
  

• 1. 2+2+5x2=(2x+1)(x+2)

  
  

1. 2x2+x–6

• 1. 2x2+x–6=(2x–3)(x+2)

  
  

• 1. 2x2x–6=(2x–3)(x+2)

  
  

• 1. 3x2+x–6=(2x–3)(x+2)

  
  

1. 6x2+19x+15

• 1. 6x2+19x+15=(3x+5)(2x+3)

  
  

• 1. 6x2-19x+15=(3x+5)(3x+3)

  
  

• 1. 2x2–5x–3=(2x+1)(x–3)

  
  

• 1. 2x2–5x+3=(2x+1)(x–3)

  
  

1. 12x2–29x+14

• 12x2–29x+14=(3x–2)(4x–7)

• 12x2–29x+14=(3x–2)(4x–6)

• 1. 8x2–6x–9=(4x+3)(2x–3)

  
  

• 1. 9x2–6x–9=(4x+3)(2x–3)

  
  

1. 6a2+9a

• 1. 6a2+9a=3a(2a+3)

  
  

• 1. 5a2+9a=3a(2a+3)

  
  

• 1. 5a4–10a2=5a2(a2–2)

  
  

• 1. 9a4–10a2=5a2(a2–2)

1. x2+x–6

• 1. x2+x–6=(x–2)(x+3)

  
  

• 1. x9+x–6=(x–2)(x+3)

  
  

• 1. x2+x–3=(x–5)(x+3)

  
  

• 1. x2+x–8=(x–2)(x+1)

  
  

1. 3x2–7x+2

• 1. 3x2–7x+2=(3x–1)(x–2)

  
  

• 1. 2x2–7x+2=(3x–1)(x–3)

  
  

• 1. 3x2+7x+4=(3x–1)(x–2)

  
  

• 1. 3x2-7x+4=(3x–3)(x–2)