Answer with explanation:
It is given that
x²=20
[tex]x=\pm (20)^{\frac{1}{2}[/tex]
Because , Square of [tex]\sqrt{20} \text{and} -\sqrt{20}[/tex] , both are equal to 20.
Option B: ±square root of 20
Answer:
± [tex]\sqrt{20}[/tex] is the answer
Step-by-step explanation:
