Respuesta :

Answer:

x = [tex]\frac{4}{7}[/tex]

Step-by-step explanation:

7x² + 3 = 8x

7x² - 8x + 3 = 0

Applying the quadratic formula;

x = (8 ± [tex]\sqrt{64 - 64}[/tex]) ÷ 2(7)

x = (8 ± 0) ÷ 2(7) = [tex]\frac{4}{7}[/tex]