Question

c) 3x^2 − 24x + 48 = 0

Answer 1

3x² − 24x + 48 = 0 → ∆ = (-24)² - 4 × 3 × 48 → ∆ = 576 - 576 → ∆ = 0

x = -(-24) ± √0 → x = 24 ± 0

2 × 3 6

x' e x" = 24 + 0 → x' e x" = 24 → x' e x" = 4

6 6

Espero ter ajudado!!!