Question Simplify the expression 21n−11282 Evaluate 21n−72−11210Solution 21n−11282 Show Solution Find the roots n=2111282Alternative Form n=537.2˙38095˙ Evaluate 21n−72−11210To find the roots of the expression,set the expression equal to 0 21n−72−11210=0Subtract the numbers 21n−11282=0Move the constant to the right-hand side and change its sign 21n=0+11282Removing 0 doesn't change the value,so remove it from the expression 21n=11282Divide both sides 2121n=2111282Solution n=2111282Alternative Form n=537.2˙38095˙ Show Solution
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