Question

How do I solve for x with an exponent... like what is x2=4

Answer 1

Answer:

Step-by-step explanation:

Please use " ^ " to denote exponentiation.  Your x2 = 4 should be

x^2 = 4.  To solve this, take the square root of both sides, obtaining:

x = ±2.  This equation x^2 = 4 has two solutions.