Question

x^2+1=5
x^2÷4=25
1-2x^2=0
x^+1=0​

Answer 1

respuesta

a) x² + 1 = 5

x² = 5 - 1

x=

$\sqrt{4}$

x = 2

b) x² ÷ 4 = 25

x² = 25 × 4

x =

$\sqrt{100}$

x= 10

c) 1 - 2x² = 0

1 = 2x²

½ = x²

$\sqrt{ \frac{1}{2} }$