Question

x²-5x/3+1=2x+11/3
BHASKARA URGENTE

Answer 1

x²/3 - 5x/3 + 1 = 2x/3 + 11/3 
x² - 5x + 3 = 2x + 11 
x² - 5x - 2x + 3 - 11 = 0 
x² - 7x - 8 = 0 
delta = ( -7)² - 4.1.(-8) 
delta = 49 + 32 
delta = 81 

x' = 7 + 9/2 
x' = 16/2 
x' = 8 

x'' = 7 - 9/2 
x'' = -2/2 
x'' = -1 

S = { 8, -1 }