Question

resolva as equações abaixo​

Answer 1

A) 2x^2 = 53-3
2x^2= 50
x^2 =25
x = 5
B)4x^2 = 16
x^2 = 4
x= 2
C) 5x^2 =80
x^2 =80:5
x^2 = 16
x= 4
D) x^2 = 50 - 1
x^2 = 49
x = 7