Respuesta :

auroralia00

Answer:

12'x2+2x-4

Step-by-step explanation:

=(3x+2)(4x+−2)

=(3x)(4x)+(3x)(−2)+(2)(4x)+(2)(−2)

=12'x2−6x+8x−4

=12'x2+2x−4

JoshEast

Answer: 12x² + 2x - 4

Step-by-step explanation:

(3x + 2) (4x - 2) = (3x)(4x) + (3x)(-2) + (2)(4x) + (2)(-2)  [multiply through brackets]

                        =  12x² - 6x + 8x - 4  [add the middle terms]

                        =  12x² + 2x - 4

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