Question Simplify the expression 2105035r2 Evaluate 8420140r2×1Cancel out the common factor 4 2105035r2×1Solution 2105035r2 Show Solution Find the roots r=0 Evaluate 8420140r2×1To find the roots of the expression,set the expression equal to 0 8420140r2×1=0Cancel out the common factor 4 2105035r2×1=0Multiply the terms 2105035r2=0Rewrite the expression r2=0Solution r=0 Show Solution