Question

4x ao quadrado -8x+4=0​

Answer 1

4x² - 8x + 4= 0

Coeficientes:

A= 4

B= - 8

C= 4

Delta:

∆= b² - 4ac

∆= (- 8)² - 4 • 4 • 4

∆= 64 - 64

∆= 0

Bhaskara:

x= - b ± √∆ / 2a

x= - ( - 8) ± √0 / 2 • 4

x= 8 ± 0/8

x'= x"= 8 + 0/8 = 8/8 = 1

S= ( 1)