Question

Resolva 5x² - 10 = 0

Answer 1

Resolva 5x² - 10 = 0

5x² - 10 = 0
5x² = + 10
x² = 10/5
x² = 2

x = + √ 2

x ' = + √2
e
x" = - √2

Answer 2

5x^2-10=0
5x^2=0+10
5x^2=10
x^2=10/5
x^2=2
x=+/- raiz de 2
x=+/- aproximadamente 1,41