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Find the value of the expression \newline20−n20 - n\newlinefor n=10n = 10.

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Full solution

Q. Find the value of the expression \newline20−n20 - n\newlinefor n=10n = 10.
  1. Substitute nn with 1010: Step 11: We know that n=10n = 10. \newlinePlug in the value for nn in 20−n20 − n.\newline20−n20 − n \newlineSubstitute nn with 1010. \newline20−1020 − 10
  2. Simplify 20−1020 - 10: Step 22: Simplify 20−1020 − 10.\newline20−10=1020 − 10 = 10

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