I got 2 marks for this only someone help me get three

x^2=-4
x^1=0.778
Step-by-step explanation:
3. Simplify square root Simplify by finding its prime factors:The prime factorization of is Write the prime factors:Group the prime factors into pairs and rewrite them in exponent form:Use the rule to simplify further.
Answer:
turn the fraction into a decimal because it asks for the answer in 2 decimal places