Question Simplify the expression Solution 28r2 Evaluate 45315r2×4Divide the terms More Steps Evaluate 45315Reduce the numbers 17Calculate 7 7r2×4Solution 28r2 Show Solution Find the roots Find the roots of the algebra expression r=0 Evaluate 45315r2×4To find the roots of the expression,set the expression equal to 0 45315r2×4=0Divide the terms More Steps Evaluate 45315Reduce the numbers 17Calculate 7 7r2×4=0Multiply the terms 28r2=0Rewrite the expression r2=0Solution r=0 Show Solution