Question

4 - root7 + 4 + root7

Answer 1

your answer 8
-root 7 +root7+4+4
0+8=8 answer

Answer 2

${4}^{ - 7} + {4}^{ 7} \ {(4)}^{ - 7 +7 } \\ {(4)}^{0} \\ 0$
HOPE IT HELPS.