Which shows a difference of squares

Asked by maham237 @ 29/12/2020 in English viewed by 280 People

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

Answered by maham237 @ 29/12/2020

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.

Which shows a difference of squares?

Asked by maham237 @ 18/12/2020 in Mathematics viewed by 271 persons

10y2 – 4x2 16y2 – x2 8x2 – 40x + 25 64x2 – 48x + 9

Which shows 232 − 172 being evaluated using the difference of perfect squares method? 232 − 172 = (529 + 289)(529 − 289) = 196,320 232 − 172 = 529 − 289 = 240 232 − 172 = (23 + 17)(23 − 17) = (40)(6) = 240 232 − 172 = (23 − 17)2 = (6)2 = 36

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Which shows 232 − 172 being evaluated using the difference of perfect squares method?

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Which shows 232 − 172 being evaluated using the difference of perfect squares method? 232 − 172 = (529 + 289)(529 − 289) = 196,320 232 − 172 = 529 …

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