Solving (-2)x(-7)x(-5)+(-5)x(-6)
This problem involves multiplying and adding negative numbers. Let's break it down step by step.
Understanding the Rules of Multiplication with Negative Numbers
- Even number of negative signs: If you multiply an even number of negative numbers, the result is positive.
- Odd number of negative signs: If you multiply an odd number of negative numbers, the result is negative.
Solving the Problem
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Multiplication:
- (-2)x(-7)x(-5) = -70 (Odd number of negative signs, so the product is negative)
- (-5)x(-6) = 30 (Even number of negative signs, so the product is positive)
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Addition:
- -70 + 30 = -40