Math

x * 2x = 2x^2 (check)

5x^3 + 2x^5 = ?

Can you add these two?

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  1. yes, x(2x) = 2x^2

    for the 2nd, we cannot add "unlike" terms, one is x^3, the other is x^5, not the same

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    posted by Reiny
  2. So, what if there was a multiplication sign instead of the addition sign? Then would the answer be 10x^8?

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  3. yes

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    posted by Damon

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