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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

Respuesta :

Answer:

16y^2-x^2

Step-by-step 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.

Answer:

16y^2-x^2

Step-by-step explanation:

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