Question Find the roots n=21157Alternative Form n=7.4˙76190˙ Evaluate 21n−157To find the roots of the expression,set the expression equal to 0 21n−157=0Move the constant to the right-hand side and change its sign 21n=0+157Removing 0 doesn't change the value,so remove it from the expression 21n=157Divide both sides 2121n=21157Solution n=21157Alternative Form n=7.4˙76190˙ Show Solution