rg4160454 rg4160454
  • 13-04-2020
  • Mathematics
contestada

f(x)=(x-1)2-9
f(x)=(x+2)(x-4)

Respuesta :

katrinamaus7
katrinamaus7 katrinamaus7
  • 13-04-2020

Answer:

1. 2x−11

2.  x²−2x−8

Step-by-step explanation:

1.

Regroup terms.

Expand by distributing terms.

Collect like terms.

Simplify.

2.

Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd(a+b)(c+d)=ac+ad+bc+bd.

Collect like terms.

Simplify.

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