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Evaluate the expression.\newline5(1)×(4)-5 - (-1) \times (-4)

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Q. Evaluate the expression.\newline5(1)×(4)-5 - (-1) \times (-4)
  1. Multiply 1-1 by 4-4: First, we need to do the multiplication before subtraction. So let's multiply 1-1 by 4-4.\newline1×4=4-1 \times -4 = 4
  2. Subtract 44 from 5-5: Now, we have the expression 54-5 - 4. Next, we subtract 44 from 5-5.54=9-5 - 4 = -9

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