Question

20 POINTS!!! NEED HELP ASAP!!

Which shows a difference of squares?

10y^2-4x^2
16y^2-x^2
8x^2-40x+25
64x^2-48x+9

Answer 1

16y^2-x^2

Explanation:

Answer 2

16y^2-x^2

Explanation:

16y² - x² shows the difference of squares.

square root of 16y² is 4y

square root fo x² is x

(4y - x)(4y + x)

4y(4y + x) -x(4y + x)

16y² + 4xy -4xy - x²

16y² - x²

The middle two terms is equal to zero.