Question

2 raiz 2 x elevado a 3 menos x raiz de 8 x + raiz de 8 x elevado a 3

Answer 1

2√2x²-3√8x+√8x³=

2√4x-32,82x+22,42=

2.2x-32,82x+22,42=

4x - 32,82x + 22,42=

-28,82 x = +22,42

x= - 22,42 / 28,82= - 0,77