Question Simplify the expression 221r2 Evaluate 30315r2×1Cancel out the common factor 15 221r2×1Solution 221r2 Show Solution Find the roots r=0 Evaluate 30315r2×1To find the roots of the expression,set the expression equal to 0 30315r2×1=0Cancel out the common factor 15 221r2×1=0Multiply the terms 221r2=0Rewrite the expression r2=0Solution r=0 Show Solution
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