What is the answer and what do you do to solve it

(2x+4)(x-4)

answer:

2x^2 -4x-16

step-by-step explanation:

you use the foil method which is first,outer,inner,last

so you do first time first which is 2x*x=2x^2

then outer times outer which is 2x*-4=-8x

inner times inner which is 4*x=4x

and then last times last which is 4*-4=-16

then you add up all your like terms to get 2x^2 -4x-16

ani think its something like 3x

step-by-step explanation:

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.