Mathematics, 25.01.2021 22:20, s108870

You are given the following expression a(a+b). The only thing you know is that “a” is a negative number and that “b” is also a negative number. Chris, a 7th grader student is convinced that when you evaluate the expression, the final answer will always be a positive number. Is Chris correct? How do you know?

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You are given the following expression a(a+b). The only thing you know is that “a” is a negative num...