Question

resolva as equaçoes irracionais √2x+19=√4-x

Answer 1

√2x + 19 = √4 - x
(√2x + 19)² = (√4 - x)²
2x + 19 = 4 - x
2x + x = 4 - 19
3x = - 15
x = - 15 / 3
x = - 5