Question Simplify the expression 3360a Evaluate 6720a×21Solution More Steps Evaluate 6720×21Reduce the numbers 3360×1Simplify 3360 3360a Show Solution Find the roots a=0 Evaluate 6720a×21To find the roots of the expression,set the expression equal to 0 6720a×21=0Multiply the terms More Steps Multiply the terms 6720a×21Multiply the terms More Steps Evaluate 6720×21Reduce the numbers 3360×1Simplify 3360 3360a 3360a=0Solution a=0 Show Solution