How do you simplify #(x^2 -6x + 5) - (x^2 + x - 2)#?
1 Answer
Sep 4, 2016
Explanation:
"Subtracting is the same as adding on the inverse"
"The minus sign outside the bracket will change the signs inside"
These both tell us that when the second bracket is removed, the signs of the terms inside will change.
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