Question Simplify the expression 8−r Evaluate 9−1−1×rMultiply the terms 9−1−rSolution 8−r Show Solution Find the roots r=8 Evaluate 9−1−1×rTo find the roots of the expression,set the expression equal to 0 9−1−1×r=0Any expression multiplied by 1 remains the same 9−1−r=0Subtract the numbers 8−r=0Move the constant to the right-hand side and change its sign −r=0−8Removing 0 doesn't change the value,so remove it from the expression −r=−8Solution r=8 Show Solution
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