Question Simplify the expression 219r2 Evaluate 30285r2×1Cancel out the common factor 15 219r2×1Solution 219r2 Show Solution Find the roots r=0 Evaluate 30285r2×1To find the roots of the expression,set the expression equal to 0 30285r2×1=0Cancel out the common factor 15 219r2×1=0Multiply the terms 219r2=0Rewrite the expression r2=0Solution r=0 Show Solution