Question

√13+⁴√12-x=4 me ajudem?

Answer 1

d) √13+ ⁴√(12 - x) = 4 
(⁴√(12 - x))⁴=(4-√ 13)⁴ 
12 - x= (4-√13)² (4-√13)² 
12-x=(16-8√13+13) (16-8√13+13) 
12-x=16.16-2.16.8√13+2.16.13-2.13.8.√1... 
12-x=256-256√13+416-208√13+169+832 
x=464√13-1673+12=464√13-1675