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The answer ingot was x-a*a-x but it marked it wrong..

The answer ingot was x-a*a-x but it marked it wrong..-example-1
User Lroha
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1 Answer

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Answer\colon-x^2+2ax-a^2

The answer ingot was x-a*a-x but it marked it wrong..-example-1
User JBentley
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