This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
The value of the expression is 645. Steps: 1. Perform the multiplications first: (-3) * 2 = -6 215 * (-3) = -645 2. Substitute these values back into the expression: -6 - (-645) + 6 3. Simplify the double negative: -6 + 645 + 6 4. Perform the additions from left to right: -6 + 645 = 639 639 + 6 = 645