Question Simplify the expression Solution 9x Evaluate 21x×18Solution More Steps Evaluate 21×18Reduce the numbers 1×9Simplify 9 9x Show Solution Find the roots Find the roots of the algebra expression x=0 Evaluate 21x×18To find the roots of the expression,set the expression equal to 0 21x×18=0Multiply the terms More Steps Multiply the terms 21x×18Multiply the terms More Steps Evaluate 21×18Reduce the numbers 1×9Simplify 9 9x 9x=0Solution x=0 Show Solution