Question

Precisa resolver com a fórmula de Bhaskara no final

Answer 1

Resposta:

Explicação passo-a-passo:

3(-x²-5x)+1=6.(2x+11)

-3x²-15x+1=6x+66

-3x²-15x-6x+1-66=0

-3x²-9x+65=0

A=-3

B=-9

C=+65

Bháskara

-B+-VB²-4AC/2A

+9+-V(-9)²-4(-3).(65)/-6

9+-V81+780/-6

9+-V861/-6

V861= aproximadamente 30

9+-30/-6

x1=9+30/-6

x139/-6

x1-39/6

x2=9-30/-6

x2=-21/-6

x2=21/6

x2=7/2