Question

polynomial 4x^2=16 is difference of squares?

true or false. and how do you know?

Answer 1

rearranging:

4x^2 - 16 = 0

what do you think?

Answer 2

false?

Answer 3

is 16 a square?

Answer 4

and 4x^2 ?

Answer 5

yes

Answer 6

?

Answer 7

yes both of them are 16 = 4^2 and 4x^2 = 2x * 2x
and '-' is a difference

so its true

Answer 8

thanks

Answer 9

yw