Question

resolvendo a equação x²-6x+5=0

Answer 1

x² - 6x + 5 = 0

A= 1, B= - 6, C= 5

∆= b² - 4ac

∆= (-6)² - 4 . 1 . 5
∆= 36 - 20
∆= 16

x = -b ± √∆/2a

x = - (-6) ± √16/ 2 . 1
x= 6 ± 4 / 2

x' = 6 + 4 / 2 = 10/2 = 5
x''= 6 - 4 /2 = 2/2 = 1

S=( 5, 1)