Which expression is a difference of squares?
100x^2-55y^2
100x^2+55y^2
100x^2+49y^2
100x^2-49y^2

can be written in the difference of squares.

Option: D

Step-by-step explanation:

We know that

Take the equation and can be written as follows.

100 is the square of 10

49 is the square of 7

is the square of x

is the square of y

Thus we can write the as the difference of squares.

By using the formula we can write   as

100 - 49

Step-by-step explanation:

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step-by-step explanation:

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