elenaLaz elenaLaz
  • 26-08-2020
  • Mathematics
contestada

Simplify the expression:
(12x - 3+ 2x) + (5 + 3x? - 2x)

Helppp and how do did u simply it!!

Respuesta :

llama2004 llama2004
  • 26-08-2020

Answer:

20[tex]x^{2}[/tex] + 109x -15

Step-by-step explanation:

12x * 5 = 60x

12x * 3x = 36x

12x * -2x= -24[tex]x^{2}[/tex]

-3 * 5 = -15

-3 * 3x = -9x

-3 * -2x = 6x

2x * 5 = 10x

2x * 3x =6x

2x * -2x= -4[tex]x^{2}[/tex]

60x + 36x -9x + 6x + 10x + 6x = 109x

24[tex]x^{2}[/tex] - 4

-15

Hope this helpss

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