The index of radical expression is the number indicating which root (square root, cube root, etc.) is meant.
If there's no index on the radical expression, then it's assumed to be square root.
Answer:
(x2 + 7) = 3
x2 = 3 - 7
x2 = - 4
x doesn't have a solution
Answer:
+18
Step-by-step explanation:
Answer:
70/5
Step-by-step explanation:
70/3 and then try 70/4 and then 70/5
