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How do I factor this out?

Why does the x-y disappear and the other stays behind? Can anyone explain this to me?

How do I factor this out? Why does the x-y disappear and the other stays behind? Can-example-1
User Dialer
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1 Answer

4 votes

Answer:

because in first expressions they common out x and y and then it get cancel out

Explanation:

See answer in above picture

How do I factor this out? Why does the x-y disappear and the other stays behind? Can-example-1
User Mark Ellul
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8.5k points

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