makaliaweber64
makaliaweber64 makaliaweber64
  • 02-12-2018
  • Mathematics
contestada

Factor the following polynomial completely.

10x^4+ 80x^3 + 1120x^2

A. -10x^2(x+2)(x+6)

B. 10x^2 (x+2)(x+6)

C. -10x^2(x-2)(x+6)

D. 10x^2 (x+2)(x+6)

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-12-2018

Answer:

10x^2 (x+2) (x+6)

Step-by-step explanation:

assuming you meant 120 not 1120

10x^4+ 80x^3 + 120x^2

factor out 10 x^2

10x^2 (x^2 +8x+12)

what numbers multiply together to get 12 and add together to get 8

2*6 = 12   2+6 = 8

10x^2 (x+2) (x+6)

B and D are the same answer?????

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