Properties of Identity, Inverses, and Zero: example 7.41

Simplify: $\frac{0}{n + 5}$ , where $n \neq −5$ .

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Solution

$\frac{0}{n + 5}$

Zero divided by any real number except itself is zero. $0$

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

Simplify: $\frac{0}{m + 7}$ , where $m \neq −7$ .

How did it go?

	$\frac{0}{n + 5}$
Zero divided by any real number except itself is zero.	$0$