Question

(3×+2). (×+3) resposta

Answer 1

3x² + 9x + 2x + 6

3x² + 11x + 6

BHASKARA: (-b +/- √Δ) / 2a
Δ = b² - 4.a.c 


Δ= 11² - 4. 3. 6

Δ = 121 - 72

Δ = 49

(- 11 +/- √49)/ 2.3

x' = -11 + 7 / 6

x' = -2/3

x'' = -11 - 7 / 6

x'' = 3


Logo x = -2/3 ou  x = 3