Answer and Explanation
Your Answer is
Correct Answer is E
Explanation
It can be seen from the meaning of the title: the original formula is expanded to m²+n²-2mn=25, and mn=36 can be substituted, m²+n²=97.
Your Answer is
Correct Answer is E
Explanation
It can be seen from the meaning of the title: the original formula is expanded to m²+n²-2mn=25, and mn=36 can be substituted, m²+n²=97.