Answer
28
Step-by-step explanation:
[tex]\begin{gathered} \text{Given that} \\ \lvert m^2-7\rvert+n^2 \\ \text{where m =-2 and n = 5} \\ \text{Substitute the values of m and n in the expression} \\ \lvert(-2)^2-7\rvert+5^2 \\ \lvert4-7\rvert\text{ + 25} \\ \lvert-3\rvert\text{ + 25} \\ \text{Hence, }\lvert-3\rvert\text{ = 3} \\ 3\text{ + 25 } \\ =\text{ 28} \end{gathered}[/tex]
