Respuesta :
Answer:
there are 2 solutions in total
Step-by-step explanation:
x^2-4=0
x^2=4
x= ±2i
Answer:
x=±2
Step-by-step explanation:
x²-4=0
x²-2²=0
(x+2)(x-2)=0
either x+2=0,x=-2
or x-2=0,x=2
Answer:
there are 2 solutions in total
Step-by-step explanation:
x^2-4=0
x^2=4
x= ±2i
Answer:
x=±2
Step-by-step explanation:
x²-4=0
x²-2²=0
(x+2)(x-2)=0
either x+2=0,x=-2
or x-2=0,x=2
