Question

9s^(2)-4=-6s by formula method​

Answer 1

Answer:

x = -3 + √5/3 or

x = -3 - √5/3

Step-by-step explanation:

Quadratic Formula:

9s² - 4 = - 6s

9s² + 6s - 4 = 0

Here,

a = 9

b = 6

c = -4

Now,

Discriminant

D = b² - 4ac

= (6)² - 4(9)(-4)

= 36 + 144

= 180 > 0

Here,

Real And Distinct Roots

Now,

x = -b +-√b² - 4ac/2a

= -6 +-√(6)² - 4(9)(-4)/2(9)

= -6 +-√180/18

= -6 +-6√5/18

= -3 +-√5/3

x = -3 + √5/3 or x = -3 - √5/3