Question Simplify the expression −x2 Evaluate (2−x2)−2Remove the parentheses 2−x2−2Solution −x2 Show Solution Find the roots x=0 Evaluate (2−x2)−2To find the roots of the expression,set the expression equal to 0 (2−x2)−2=0Remove the parentheses 2−x2−2=0Since two opposites add up to 0,remove them form the expression −x2=0Change the signs on both sides of the equation x2=0Solution x=0 Show Solution
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