Which shows a difference of squares


Asked by maham237 @ in English viewed by 269 People


Which shows a difference of squares?
10y2 – 4x2
16y2 – x2
8x2 – 40x + 25
64x2 – 48x + 9

Answered by maham237 @



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.

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