Question

4d2e - d2e

Answer 1

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Answer 2

@ganeshie8

Answer 3

This problem may appear clearer if written as shown below:

4d2e - d2e = 4d^2e - 1d^2e

or as

4 d^2e
-1d^2e
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Note that d2 is vague to the point of being unacceptable. I'm assuming that you mean d^2, which reads as "the square of d."

Answer 4

someone seems upset