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5+7∗(12−15+3)5+7*(12-15+3)

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Q. 5+7∗(12−15+3)5+7*(12-15+3)
  1. Follow Order of Operations: First, we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often abbreviated as PEMDAS. We start with the expression inside the parentheses 12−15+312-15+3.\newlineCalculation: 12−15+3=−3+3=012 - 15 + 3 = -3 + 3 = 0
  2. Calculate Inside Parentheses: Now that we have simplified the expression inside the parentheses to 00, we can proceed with the multiplication part of the expression. We multiply 77 by the result from Step 11.\newlineCalculation: 7×0=07 \times 0 = 0
  3. Multiply Result: Finally, we add the result from Step 22 to the number 55, which is outside the parentheses.\newlineCalculation: 5+0=55 + 0 = 5

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