Question Simplify the expression 2r Evaluate r+rCollect like terms by calculating the sum or difference of their coefficients (1+1)rSolution 2r Show Solution Find the roots r=0 Evaluate r+rTo find the roots of the expression,set the expression equal to 0 r+r=0Add the terms More Steps Evaluate r+rCollect like terms by calculating the sum or difference of their coefficients (1+1)rAdd the numbers 2r 2r=0Solution r=0 Show Solution
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