Question

Choose the correct product of (2x - 4)2.

4x2 - 16
4x2 - 16x + 16
4x2 + 16
4x2 + 16x + 16

Medal and fan!!

I think its A... but I might be wrong can someone please help!!

Answer 1

\[(a-b)^2 = a^2 + b^2 - 2ab\]
\[(2x-4)^2 = (2x)^2 + (4)^2 - 2*2x*4\]

Answer 2

So would it be C? @sangya21

Answer 3

No actually, it would be B.

because both of the middle terms are negative so they don't cancel each other out.

Answer 4

KiaKat is correct

Answer 5

ohhh ok thanks :D

Answer 6

No problem!