Question Simplify the expression −10−x Evaluate 1990−2000−xSolution −10−x Show Solution Find the roots x=−10 Evaluate 1990−2000−xTo find the roots of the expression,set the expression equal to 0 1990−2000−x=0Subtract the numbers −10−x=0Move the constant to the right-hand side and change its sign −x=0+10Removing 0 doesn't change the value,so remove it from the expression −x=10Solution x=−10 Show Solution
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