Question

Marco wrote the expression (2x − 4y)2 = 4x2 − 16y2. Complete the explanation and correct his error.

Marco may have confused a difference of the squares and the square of a binomial
(select) difference or sum
.

He wrote the difference of the squares of the terms instead of the square of a
(select) binomial or trinomial
difference.

Answer 1

Explanation:

Marco may have confused a difference of the squares and the square of a binomial

difference.

He wrote the difference of the squares of the terms instead of the square of a

binomial

difference

The correct answer should be

`{4x}^(2) - 16xy + {16y}^(2)`