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Evaluate the expression for q=−1q = -1.\newline−8q=-8q = _____

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Full solution

Q. Evaluate the expression for q=−1q = -1.\newline−8q=-8q = _____
  1. Write −8q-8q: Write −8q-8q after substituting q=−1q = -1.\newlineSubstitute −1-1 for qq in −8q-8q.\newline−8(−1)-8(-1)
  2. Substitute q=−1q = -1: Evaluate −8(−1)-8(-1).\newline−8(−1)=8-8(-1) = 8

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