Question Simplify the expression 7980−r Evaluate 7980−1×rSolution 7980−r Show Solution Find the roots r=7980 Evaluate 7980−1×rTo find the roots of the expression,set the expression equal to 0 7980−1×r=0Any expression multiplied by 1 remains the same 7980−r=0Move the constant to the right-hand side and change its sign −r=0−7980Removing 0 doesn't change the value,so remove it from the expression −r=−7980Solution r=7980 Show Solution
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