alexandrastupid
alexandrastupid alexandrastupid
  • 07-10-2020
  • Geography
contestada

factor the following completely

1. ײ -25

2. 2 ײ -15× - 8

3. 3ײ + 30× +75

4. ׳ - 27
​

Respuesta :

0712889gvdv 0712889gvdv
  • 07-10-2020

Answer:

1)  x²- 25

   x²-5²

   (x-5)(x+5)

2) 2x²-15x-8

   2x²+x-16x-8

   x(2x+1)-8(2x+1)

   (2x+1)(x-8)

3) 3x²+30x+75

   3(x²+10x+25)

   3(x+5)²

4)  x³ - 27

    x³- 3³

    (x-3)(x²+3x+9)

   

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