Question

9x^2 -6 +1= 9
Equação do 2 grau​

Answer 1

Resposta:

Solve for x over the real numbers:

9 x^2 - 6 + 1 = 9

9 x^2 - 6 + 1 = 9 x^2 - 5:

9 x^2 - 5 = 9

Add 5 to both sides:

9 x^2 = 14

Divide both sides by 9:

x^2 = 14/9

Take the square root of both sides:

Answer: |

| x = sqrt(14)/3 or x = -sqrt(14)/3

Explicação passo-a-passo:

mais omenos x≈1.2472 ou x≈-1.2472