Which shows a difference of squares?

10 y squared minus 4 x squared
16 y squared minus x squared
8 x squared minus 40 x + 25
64 x squared minus 48 x + 9

The expression which shows the difference  of squares is .

Step-by-step explanation:

Here, the given expressions are :

Now, DIFFERENCE of SQUARES is an expression where one perfect square term is subtracted from another perfect square term.

And each difference of square can be expanded using algebraic identity

Now, here only the terms in expression 2 are perfect squares, as

Hence, the expression which shows the difference  of squares is .

Also, here

answer: its the third option.

step-by-step explanation:

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