Question

x.(x-2)=3.(x-2)
AJUDA PFV TRABALHO VALE 7 PTS

Answer 1

x.(x-2)=3.(x-2)

x²-2x = 3x-6

x²-2x -3x+6=0

x² - 5x +6 = 0

∆=(-5)² -4.1.6= 25 -24=1 => √∆=1

x = 5±√∆/2

x' = 5+1/2 = 3 ✓

x" = 5-1/2 = 2 ✓