Question Simplify the expression Solution 4x Evaluate 8x×21Solution More Steps Evaluate 8×21Reduce the numbers 4×1Simplify 4 4x Show Solution Find the roots Find the roots of the algebra expression x=0 Evaluate 8x×21To find the roots of the expression,set the expression equal to 0 8x×21=0Multiply the terms More Steps Multiply the terms 8x×21Multiply the terms More Steps Evaluate 8×21Reduce the numbers 4×1Simplify 4 4x 4x=0Solution x=0 Show Solution