Question

Resolva as seguintes equaçoes irracionais:

a)Raiz quadrada de x+3=8


b)Raiz de 5x+3 = raiz de 2x+4

Answer 1

$\sqrt{x + 3} = 8$
x + 3 = 8²
x = 64 - 3
x = 61

$\sqrt{5x + 3} = \sqrt{2x + 4}$
5x + 3 = 2x + 4
5x - 2x = 4 - 3
3x = 1
x = 1/3