Question

Equação (x-2).(x-3)=0

Answer 1

(X-2)(X-3) = 0

X² -3X -2X +6 = 0

X² -5X +6 = 0

a = 1

b = -5

c = 6

∆ = b²-4ac

∆ = (-5)² - 4 (1)(6)

∆ = 25 - 24

∆ = 1

X = -b ± √∆

2a

X = -(-5) ± √1

2.1

X = 5±1

2

X' = 5+1

2

X' = 6/2

X' = 3

X"= 5-1

2

X" = 4/2

X" = 2