Respuesta :

sid071

Hey there!!

Given equation :

... ( x - 3 ) ( 3x - 4 )

... ( x ) ( 3x ) + ( x ) ( -4 ) + ( -3 ) ( 3x ) + ( -3 ) ( -4 )

... 3x² - 4x - 9x + 12

... 3x² - 13x + 12

Hope my answer helps!!

It’s
3x^2+4x-9x-12
Because x*3x =3x^2,
X*4=4x,
-3*3x=-9x
And -3*4=-12