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Evaluate the expression for x=−1x = -1.\newline−15x=-15x = _____

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Full solution

Q. Evaluate the expression for x=−1x = -1.\newline−15x=-15x = _____
  1. Substitute x=−1x = -1: Substitute x=−1x = -1 into the expression –15x–15x.\newlineSubstitute −1-1 for xx in –15x–15x to get –15(−1)–15(-1).
  2. Multiply −15-15 by −1-1: Multiply –15–15 by −1-1.\newline–15(−1)–15(-1) equals 1515 because the product of two negative numbers is positive.

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