I believe the 3rd answer down if the information you provided is correct
Squaring the sum on the top, rules out 1 and 2 (not squaring the 7 only)
then 4 times the difference. so I believe 4 (x-1) on the bottom.
Answer:
6X8=48 10 more is 58
Step-by-step explanation:
8.
48/6 = 8. hope this helps :)